Where does “Tanguy” come from?

Tanguy (French) comes from Breton Tangi, from Breton tan, from Proto-Celtic teɸnets, from Proto-Indo-European tep- — to be warm, be hot.

Tanguy (French): an adult man who lives with his parents, similar to Italian mammone

Definitions

  1. an adult man who lives with his parents, similar to Italian mammone

Ancestry of “Tanguy”, step by step

StepLanguageWordMeaning
1BretonTangi
2Bretontanfire
3Proto-Celticteɸnetsfire
4Proto-Indo-Europeantep-to be warm, be hot
Every word from Proto-Indo-European tep-Every word from Proto-Celtic teɸnetsEvery word from Breton tan