behoof (n.)

c. 1200, "use, benefit, advantage," from Old English *bihof "advantage, utility" (implied by bihoflic "useful," and compare behoove), from Proto-Germanic *bi-hof "that which binds, requirement, obligation" (source also of Old Frisian bihof "advantage," Dutch behoef, Middle High German bihuof "useful thing," German Behuf "benefit, use, advantage," Danish behov "need, necessity"). In the common Germanic compound, the first element, likely intensive, is cognate with be- and the second with Old English hof, past tense of hebban "to raise" (see heave (v.)). The original sense is perhaps, then, "taking up (for oneself)."

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