from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A specific occurrence of palatalization that occurred in the Proto-Slavic language, in which a consonant combined with the palatal approximant /j/ to form a palatalized consonant.
- n. Any similar process occurring in a later Slavic language or elsewhere.
From Ancient Greek ἰῶτα (iōta) + English -tion. (Wiktionary)