Inane
来自Big Physics
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mid 16th century: from Latin inanis ‘empty, vain’.
wiktionary
From Middle French inane, from Latin inānis(“empty, vain, useless”) which is of unknown origin.
etymonline
inane (adj.)
1660s, "empty, void," from Latin inanis or else a back-formation from inanity (q.v.). Sense of "silly, empty-headed" is from 1819. Related: Inanely. Bailey's Dictionary (1731) has inaniloquent "given to empty talk."
