Where does “indefatigable” come from?
Indefatigable comes from Latin indefatigabilis, composed of the prefix in- (not) and defatigabilis (able to be tired), ultimately from Proto-Indo-European ne (not) and h₁én (to be).
indefatigable (English): Extremely persistent and untiring
Definitions
- Extremely persistent and untiring
Ancestry of “indefatigable”, step by step
Words derived from “indefatigable”