I. verb suffix or -th Etymology: Middle English, from Old English ~, -ath, -th; akin to Old High German -it, -ōt, -ēt, 3d singular ending, Latin -t, -it — used to form the archaic third person singular present of verbs II. adjective suffix see: -th
-ETH
Meaning of -ETH in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012