Where does “Mevanwi” come from?

Mevanwi (Breton) comes from Welsh Myfanwy, from Welsh annwyl, from Welsh an-, from Middle Welsh an-, from Proto-Brythonic an-, from Proto-Celtic an-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “Mevanwi”, step by step

StepLanguageWordMeaning
1WelshMyfanwy
2Welshannwyldear loved, lovable; precious to or greatly valued by someone; formal way of addressing; an informal way of addressing the recipient in a letter's opening line
3Welshan-not, un-, non-, an-, dis-; intensive prefix; in-
4Middle Welshan-un-, not
5Proto-Brythonican-un-, not
6Proto-Celtican-un-, not
7Proto-Indo-Europeann̥-not, un-
8Proto-Indo-Europeannenot
Every word from Proto-Indo-European ne