Meaning

verb pass into a condition gradually, take on a specific property or attribute; become

verb become larger, greater, or bigger; expand or gain

verb increase in size by natural process

originFrom 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.

Etymology from Wiktionary, CC BY-SA 3.0