Historical Languages

Historical Languages
Check out this bad-boy if you're curious. It's an etymology dictionary and there's some cool shit in there.

Proto Indo-European
An Indo-European lexicon.

A list of Proto Indo-European roots.

PIE ablaut.

An incredibly comprehensive Swadesh list of Indo-European languages.

Greek and Latin
English words of Greek origin.

Greek and Latin roots in English.

Greek and Latin rootwords used in systematic naming schemes, such as plant and animal species.

List of medical roots and affixes, almost all from Greek and Latin. Note that some terms have different meanings when used in scientific vocabulary from their original uses.

Influence on/relation to English
Germanic and Latinate equivalents (i.e. cow vs. beef).