Avid

google

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mid 18th century: from French avide or Latin avidus, from avere ‘crave’.

wiktionary

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From French avide, from Latin avidus(“eager, desirous; greedy”), from aveō(“wish, desire, long for, crave”).

etymonline

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avid (adj.)

"eager; greedy," 1769, from French avide (15c.), from Latin avidus "longing eagerly, desirous, greedy," from avere "to desire eagerly" (see avarice). Also in part a back-formation from avidity. Related: Avidly.