Where does “lacto-” come from?
lacto- (French) comes from Latin lactis, from Latin lác, from Proto-Indo-European ǵlákts — milk.
Ancestry of “lacto-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | lactis | genitive singular of lac; of milk; milk |
| 2 | Latin | lác | — |
| 3 | Proto-Indo-European | ǵlákts | milk |
Words derived from “lacto-”