Where does “flairín” come from?

flairín (Asturian) comes from Asturian flaire, from Old Occitan fraire, from Latin frāter, from Proto-Italic frātēr, from Proto-Indo-European bʰréh₂tēr — brother.

Ancestry of “flairín”, step by step

Step	Language	Word	Meaning
1	Asturian	flaire	friar
2	Old Occitan	fraire	brother
3	Latin	frāter	brother
4	Proto-Italic	frātēr	brother
5	Proto-Indo-European	bʰréh₂tēr	brother

Every word from Proto-Indo-European bʰréh₂tēr →Every word from Proto-Italic frātēr →Every word from Latin frāter →