Etymology
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abstruse (adj.)

1590s, "remote from comprehension," from French abstrus (16c.) or directly from Latin abstrusus "hidden, concealed, secret," past participle of abstrudere "conceal, hide," literally "to thrust away," from assimilated form of ab "off, away from" (see ab-) + trudere "to thrust, push" (from PIE root *treud- "to press, push, squeeze;" see threat). Related: Abstrusely; abstruseness.

Origin and meaning of abstruse

updated on September 12, 2022

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