Where does “-ad” come from?

-ad (Proto-Brythonic) comes from Proto-Brythonic -atus, from Proto-Brythonic -ātus.

Ancestry of “-ad”, step by step

StepLanguageWordMeaning
1Proto-Brythonic-atus—
2Proto-Brythonic-ātus—

Words derived from “-ad”

Every word from Proto-Brythonic -ātus →Every word from Proto-Brythonic -atus →