Cornish
Etymology
From -on (“noun suffix”) + -ieth (“abstract noun suffix”). Compare Breton -oniezh.
Suffix
-onieth f
- Forms nouns for sciences/studies; -logy, -ology
- yeth (“lanugage”) + -onieth → yethonieth (“linguistics”)
- brys (“mind”) + -onieth → brysonieth (“psychology”)
Derived terms
Cornish terms suffixed with -onieth