-ioun

== Middle English == === Etymology 1 === Borrowed from Old French -ion, from Latin -iō, -iōnem. ==== Alternative forms ==== -ion, -ioune, -iun, -yon, -yone, -youn, -youne ==== Pronunciation ==== IPA(key): /-iˈuːn/, /-jun/ ==== Suffix ==== -ioun (not productive) Forms nouns from French or Latin roots; -ion. ===== Derived terms ===== ===== Descendants ===== English: -ion ===== References ===== === Etymology 2 === ==== Suffix ==== -ioun alternative form of -ien (“-ian”)