Where does “in-” come from?
in- (Proto-Germanic) comes from Proto-Indo-European indʰro-, from Proto-Indo-European oyd- — to swell.
in- (Proto-Germanic): strong
Ancestry of “in-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Indo-European | indʰro- | swelling; strong |
| 2 | Proto-Indo-European | oyd- | to swell |