-oniezh

Breton

Etymology

From -on (“noun suffix”) + -iezh (“abstract noun suffix”). Compare Cornish -onieth.

Suffix

-oniezh f

Forms nouns for sciences/studies; -logy, -ology
‎yezh (“lanugage”) + ‎-oniezh → ‎yezhoniezh (“linguistics”)

‎stered (“stars”) + ‎-oniezh → ‎steredoniezh (“astronomy”)

Derived terms