Where does “Brynn” come from?

Brynn is an English borrowing from Welsh bryn, a word of unknown origin referring to a hill or mountain.

Ancestry of “Brynn”, step by step

Step	Language	Word	Meaning
1	English	Bryn	—
2	Welsh	bryn	hill
3	Proto-Celtic	brusnyos	—

Brynn — Etymology, Origin & Word History | Etymology Explorer