Where does “tachy-” come from?

tachy- (English) comes from Ancient Greek ταχύς, from Proto-Indo-European dʰn̥gʰ-, from Proto-Indo-European dʰengʰ- — to cover; to overcast.

tachy- (English): fast

Definitions

  1. fast

Ancestry of “tachy-”, step by step

StepLanguageWordMeaning
1Ancient Greekταχύςswift, quick, fast, rapid; In a short time: soon
2Proto-Indo-Europeandʰn̥gʰ-—
3Proto-Indo-Europeandʰengʰ-to cover; to overcast

Words derived from “tachy-”

Every word from Proto-Indo-European dʰengʰ- →
tachy- — Etymology, Origin & Word History | Etymology Explorer