tko- The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

Appendix I

Indo-European Roots

ENTRY:	tko-
DEFINITION:	Bear. Oldest form ₂to-,* becoming tko- in centum languages. 1. ursine, from Latin ursus,* bear (< orcsos). 2. arctic, Arcturus, from Greek arktos,* bear. (Pokorny o-s 875.)


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.