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出典:Wiktionary
From Ancient Greek βούμαστος (boúmastos), form of βούμασθος (boúmasthos, “having large breasts”), from βοῦς (boûs, “cow”) + μαστός (mastós, “breast”).
būmastus f (genitive būmastī); second declension
Second-declension noun.
bumastus