-εῖον

-ειον Ancient Greek Alternative forms grc -ήῐ̈ον ion Pronunciation Etymology 1 grc noun suffix -ῐον Formed through a union of a stem vowel grc -ε- and grc -ῐον, grk-pro *‑es‑y‑on like grc ἀγγεῖον; usually from stems in grc -εύς ‑εύς—originally grk-pro *‑ēw‑, whence the diaeresis, thus grk-pro *‑ḗw‑ion—like grc κναφεῖον,s.v. -είο and sometimes applied to other stems, subsequently autonomised. Suffix -είου n second forms instrument nouns forms toponyms (names for places) Declension -εῖον ου att Derived terms grc Descendants el -είο la -ēum<id:borrowing> Etymology 2 grc 1 Suffix grc suffix form grc -εῖος m acc s ; n nom//acc//voc s See also grc -ειον References grc terms suffixed with -ιος