The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
tem-
DEFINITION:
To cut. Also tem- (oldest form *tem2-). I. Form *tem-. Nasalized form *t(e)m-n--.tmesis, tome, tome, tomy; anatomy, atom, diatom, dichotomy, entomo-, epitome, from Greek temnein, to cut, with o-grade forms tomos, cutting, a cut, section, volume, and tom, a cutting. II. Form *tem-.1. Suffixed form *tem-lo-.temple1, temple3; contemplate, from Latin templum, temple, shrine, open place for observation (augury term < place reserved or cut out), small piece of timber. 2. Extended root *tem-d- becoming *tend- in o-grade suffixed (iterative) form *tond-eyo-.tonsorial, tonsure, from Latin tondre, to shear, shave. (Pokorny 1. tem- 1062.)