Where does “-óis” come from?

-óis (Irish) comes from Ancient Greek -ωσις, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

-óis (Irish): osis

Definitions

  1. osis

Ancestry of “-óis”, step by step

StepLanguageWordMeaning
1Ancient Greek-ωσιςabnormal condition or state; state, abnormal...
2Ancient Greek-σῐς"suffix forming nouns"
3Ancient Greek-τιςretained after dentals
4Proto-Indo-European-tisDerives abstract/action nouns from verb roots

Words derived from “-óis”

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek -ωσις →