Where does “-ин” come from?
-ин (Russian) comes from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.
-ин (Russian): -'s
Ancestry of “-ин”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old East Slavic | -инъ | — |
| 2 | Proto-Slavic | -inъ | -ine; Creates singulatives, mostly with... |
| 3 | Proto-Indo-European | -iHnos | Creates adjectives of materials |
| 4 | Proto-Indo-European | -no- | adjectival suffix |