luftmenschとは 意味・読み方・使い方

語源

From Yiddish לופֿטמענטש‎ (luftmentsh), from לופֿט‎ (luft, “air”) + מענטש‎ (mentsh, “man”). Compare German von Luft und Liebe leben (“to disregard the practical matters of life”, literally “to live on air かつ love”), German Luftikus (“impractical, quixotic, または careless person”).

The word first appeared in Yiddish literature in 1860s (Nicolas Vallois, "The Luftmentsh as an economic metaphor for Jewish poverty: a rhetorical analysis").