Where does “upgrowing” come from?

upgrowing (English) comes from English upgrow, from English up-, from Middle English up-, from Old English ūp-, from Old English ūp, from Proto-Germanic upp, from Proto-Germanic ub, from Proto-Indo-European upó.

upgrowing (English): The process of growth or maturation; growing up;...

Definitions

  1. The process of growth or maturation; growing up;...

Ancestry of “upgrowing”, step by step

upgrowing traces back through two separate lines of ancestry.

via English upgrow

StepLanguageWordMeaning
1EnglishupgrowTo grow up
2Englishup-Used to indicate increase; Used to indicate...
3Middle Englishup-
4Old Englishūp-up-
5Old Englishūpup, from above
6Proto-Germanicuppup, upwards
7Proto-Germanicubunder
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-

via Middle English upgrowinge

StepLanguageWordMeaning
1Middle Englishupgrowinge
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Germanic ub