Where does “blasio” come from?

blasio (Welsh) comes from Welsh blas, from Proto-Celtic mlastos, from Proto-Indo-European mel-s-.

Ancestry of “blasio”, step by step

StepLanguageWordMeaning
1Welshblastaste, flavour
2Proto-Celticmlastostaste
3Proto-Indo-Europeanmel-s-—
Every word from Proto-Indo-European mel-s- →Every word from Proto-Celtic mlastos →Every word from Welsh blas →