The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
st-
DEFINITION:
To stand; with derivatives meaning place or thing that is standing. Oldest form *ste2-, colored to *sta2-, contracted to *st-. Derivatives include steed, stud2, arrest, instant, understand, static, prostitute, insist, ecstasy, and system. I. Basic form *st-.1. Extended form *stdh-.a.steed, from Old English stda, stallion, studhorse (< place for breeding horses), from Germanic *std-jn-;b.stud2, from Old English std, establishment for breeding horses, from Germanic *std.2. Suffixed form *st-lo-.a.stool, from Old English stl, stool; b. Germanic compound *faldistlaz (see pel-2). Both a and b from Germanic *stlaz.3.estancia, stage, stance, stanch1, stanchion, stanza, stative, stator, stay1, stet; arrest, circumstance, constant, contrast, cost, distant, extant, instant, obstacle, obstetric, oust, rest2, restharrow, restive, substance, from Latin stre, to stand. 4. Suffixed form *st-men-.etamine, stamen, stammel, from Latin stmen, thread of the warp (a technical term). 5. Suffixed form *st-mon-.penstemon, from Greek stmn, thread. 6. Suffixed form *st-ro-.starets, from Old Church Slavonic star, old (long-standing). II. Zero-grade form *st- (before consonants). 1. Nasalized extended form *st-n-t-.a.stand, from Old English standan, to stand; b.understand, from Old English understandan, to know, stand under (under-, under-; see dher); c.standard, from Frankish *standan, to stand; d.stound, from Old English stund, a fixed time, while, from secondary zero-grade form in Germanic *stund-.ad all from Germanic *standan.2. Suffixed form *st-tyo-.stithy, from Old Norse stedhi, anvil, from Germanic *stathjn-.3. Suffixed form *st-tlo-.staddle, stall2, starling2; stalwart, from Old English stathol, foundation, from Germanic *stathlaz.4. Suffixed form *st-mno-.a. (i)stem1, from Old English stefn, stem, tree trunk; (ii)stalag, from Old High German stam, stem. Both (i) and (ii) from Germanic *stamniz;b.estaminet, probably from Walloon stamen, post to which a cow is tied at the feeding-trough, from a source derived from or akin to Germanic *stamniz.5. Suffixed form *st-ti-.a. (i)stead, from Old English stede, place; (ii)shtetl, from Old High German stat, place. Both (i) and (ii) from Germanic *stadiz;b.stat2, from Latin statim, at once; c.station, from Latin stati, a standing still; d.armistice, solstice, from Latin -stitium, a stoppage; e.stasis, from Greek stasis (see III. 1. b.), a standing, a standstill. 6. Suffixed form *st-to-.a.bestead, from Old Norse stadhr, place, from Germanic *stadaz, placed; b.stat, static, statice, stato-; astasia, astatine, from Greek statos, placed, standing. 7. Suffixed form *st-no-.a.destine, from Latin dstinre, to make firm, establish (d-, thoroughly; see de-); b.obstinate, from Latin obstinre, to set one's mind on, persist (ob-, on; see epi). 8. Suffixed form *st-tu-.estate, étagère, stage, state, statistics, statue, stature, status, statute; constitute, destitute, institute, prostitute, restitute, substitute, superstition, from Latin status, manner, position, condition, attitude, with derivatives statra, height, stature, statuere, to set up, erect, cause to stand, and superstes (< *-st-t-), witness (who stands beyond). 9. Suffixed form *st-dhlo-.stable2; constable, from Latin stabulum, standing place, stable. 10. Suffixed form *st-dhli-.establish, stable1, from Latin stabilis, standing firm. 11. Suffixed form *st-t.stat; enstatite, from Greek -stats, one that causes to stand, a standing. III. Zero-grade form *st-,*st()- (before vowels). 1. Reduplicated form *si-st()-.a.assist, consist, desist, exist, insist, interstice, persist, resist, subsist, from Latin sistere, to set, place, stop, stand; b.apostasy, catastasis, diastase, ecstasy, epistasis, epistemology, hypostasis, iconostasis, isostasy, metastasis, prostate, system, from Greek histanai (aorist stanai), to set, place, with stasis (*st-ti-), a standing (see II. 5. e.); c. histo-; histiocyte, histogram, from Greek histos, web, tissue (< that which is set up). 2. Compound form *tri-st-i-, third person standing by (see trei-). 3. Compound form *por-st-i-, that which stands before (*por-, before, forth; see per1). post1, from Latin postis, post. 4. Suffixed form *st-o- in compound *upo-st-o- (see upo). IV. Extended root *stu- (< *stau-), becoming *stau- before consonants, *stw- before vowels; basic meaning stout-standing, strong. 1. Suffixed extended form *stw--.stow, from Old English stw, place, from Germanic *stw.2. Probable o-grade suffixed extended form *stw-y-.stoa, stoic, from Greek sto (also stoi, sti), porch. 3. Suffixed extended form *stau-ro-.a. (i)store; instauration, from Latin nstaurre, to restore, set upright again (in-, on; see en); (ii)restore, from Latin restaurre, to restore, rebuild (re-, anew, again; see re-); b.staurolite, from Greek stauros, cross, post, stake. 4. Variant *tau-ro-, bull (see tauro-). V. Zero-grade extended root *st- (< *stu-). Suffixed form *st-lo-.stylite; amphistylar, astylar, epistyle, hexastyle, hypostyle, octastyle, peristyle, prostyle, stylobate, from Greek stlos, pillar. VI. Secondary full-grade form *steu-. Suffixed form *steu-ro-.Theravada, from Sanskrit sthavira-, thick, stout, old. VII. Variant zero-grade extended root *stu-. Suffixed form *stu-t-.stud1, from Old English stuthu,studu, post, prop. VIII. Secondary full-grade form *steu-.1. Suffixed form *steu-r-.starboard, from Old English stor-, a steering, from Germanic *steur, a steering. 2a.steer1, from Old English steran,stran, to steer; b.stern2, from Middle English sterne, stern of a boat, possibly from a source akin to Old Norse stjrn, a rudder, a steering, derivative of stra, to steer. Both a and b from Germanic denominative *steurjan.3. Suffixed form *steu-ro-, a larger domestic animal. steer2, from Old English stor, steer, from Germanic *steuraz, ox. 4. Probably Germanic diminutive *steur-ika-.stirk, from Old English strc,stierc, calf. (Pokorny st- 1004.)