Where does “*pɨs” come from?

*pɨs (Proto-Brythonic) comes from Latin pīsum, from Ancient Greek πίσον, from Ancient Greek πίσος — pea, pease, seed of "Pisum sativum".

Ancestry of “*pɨs”, step by step

StepLanguageWordMeaning
1Latinpīsumpea, pease
2Ancient GreekπίσονQuoted by comic poet Alexis; pea, pease, seed of...
3Ancient Greekπίσοςpea, pease, seed of "Pisum sativum"

Words derived from “*pɨs

Every word from Ancient Greek πίσοςEvery word from Ancient Greek πίσονEvery word from Latin pīsum