Grew

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Old English grōwan (originally referring chiefly to plants), of Germanic origin; related to Dutch groeien, also to grass and green.

wiktionary

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From Middle English grew, from Old English grēow (first and third person past tense of grōwan), from West Germanic *greu, from Northwest Germanic *grerō, from Proto-Germanic *gegrō (first and third person past tense of *grōaną), reduplication of *grōaną.

grew (third-person singular simple present grews, present participle grewing, simple past and past participle grewed)

etymonline

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grew

past tense of grow (v.), from Old English greow, past tense of growan.