Grove

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Old English grāf, of Germanic origin.

wiktionary

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From Middle English grove, grave, from Old English grāf, grāfa(“grove; copse”); compare English groove. Related to Old English grǣf, grǣfe(“brushwood; thicket; copse”) and Old English grǣfa(“thicket”). More at greave.

etymonline

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grove (n.)

Old English graf "grove, copse, small wood" (akin to græafa "thicket"), not certainly found in other Germanic languages and with no known cognates. Groves of Academe refers to the shaded walks of the Academy at Athens.