abstruse


abstruse
abstruse (adj.) 1590s, from M.Fr. abstrus (16c.) or directly from L. abstrusus, pp. of abstrudere "conceal," lit. "to thrust away," from ab- "away" (see AB- (Cf. ab-)) + trudere "to thrust, push" (see EXTRUSION (Cf. extrusion)). Related: Abstrusely; abstruseness.

Etymology dictionary. 2014.

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