Where does “mastrino” come from?
mastrino (Esperanto) comes from Esperanto mastro, from Latin magister, from Proto-Italic magisteros, from Proto-Indo-European méǵh₂isteros, from Proto-Indo-European méǵh₂s — big, great.
mastrino (Esperanto): female boss, mistress
Ancestry of “mastrino”, step by step