To grow up is to change slowly from a child into an adult. Years of it, and nobody notices it happening.
It covers the whole process, so asking where somebody grew up asks about their childhood rather than their height. The word is also an instruction, and telling somebody to grow up is a real rebuke meaning stop behaving childishly. The related adjective grown-up is what children call adults, and a grown-up conversation is a serious one. The past is grew up, which does not stay in one piece.
Middle English
upgrowen
English, today
grow up
Dissimilated from Middle English upgrowen.
Etymology from Wiktionary, CC BY-SA
Practised in Everyday Verbs, A Man Called Ove
First appears in chapter 5 of A Man Called Ove.
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