The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
dakru-
DEFINITION:
Tear. Oldest form *daru-, becoming *dakru- in centum languages. 1a.tear2, from Old English tar,tehher, tear; b.train oil, from Middle Dutch trane, tear, drop. Both a and b from Germanic *tahr-,*tagr-.2. Suffixed form *dakru-m-.lachrymal, from Latin lacrima (Archaic Latin dacruma), tear. (Pokorny daru- 179.)
ru-, becoming *dakru- in centum languages. 1a. tear2, from Old English t
ar, tehher, tear; b. train oil, from Middle Dutch trane, tear, drop. Both a and b from Germanic *tahr-, *tagr-. 2. Suffixed form *dakru-m
-. lachrymal, from Latin lacrima (Archaic Latin dacruma), tear. (Pokorny da
