chemoautotroph

The story

1. Ancient Greek · derived fromτροφή“nourishment”
2. Ancient Greek · derived fromαὐτο-“self-”
3. English todaychemoautotroph

From chemo- + autotroph, the latter from auto- (from Ancient Greek αὐτο- (auto-, “self-”)) + -troph (from Ancient Greek τροφή (trophḗ, “nourishment”)).

Words from the same roots