Where does “-a” come from?

-a (Welsh) comes from Welsh -af, from Middle Welsh -haf, from Proto-Brythonic -haβ̃, from Proto-Celtic *-isamos — forms superlative adjectives.

-a (Welsh): verb suffix for the third-person singular present...

Definitions

  1. verb suffix for the third-person singular present...

Ancestry of “-a”, step by step

StepLanguageWordMeaning
1Welsh-afverb suffix for the first-person singular present...
2Middle Welsh-hafused to form the superlative of an adjective
3Proto-Brythonic-haβ̃Forms the superlative of an adjective
4Proto-Celtic*-isamosforms superlative adjectives

Words derived from “-a

Every word from Proto-Celtic *-isamosEvery word from Welsh -afEvery word from Middle Welsh -haf