-իւն

Etymology
From the suffix. Compare 🇨🇬, genitive. Perhaps partly contaminated with adverbial formations, as shown by the parallels  /,  /.

Suffix

 * 1)  the etymology may be different
 * 1)  the etymology may be different
 * 1)  the etymology may be different
 * 1)  the etymology may be different
 * 1)  the etymology may be different

Usage notes
Nouns formed with this suffix (in the first sense) are indeclinable.