Where does “sub-outcrop” come from?

sub-outcrop (English) comes from English outcrop, from English crop, from Middle English crop, from Old English cropp, from Proto-Germanic *kropp, from Proto-Germanic kruppaz, from Proto-Indo-European grewb-, from Proto-Indo-European ger- — to turn, bend, twist, wind; to tie, bind...

sub-outcrop (English): A rock stratum that was once exposed at an ancient erosion surface and unconformably underlies another rock stratum

Definitions

  1. A rock stratum that was once exposed at an ancient erosion surface and unconformably underlies another rock stratum

Ancestry of “sub-outcrop”, step by step

StepLanguageWordMeaning
1EnglishoutcropA piece of land that stands out from the land...
2EnglishcropA plant, especially a cereal, grown to be...
3Middle Englishcrop
4Old Englishcroppthe crop of a bird; the head of a flower; an ear...
5Proto-Germanic*kropp
6Proto-Germanickruppaza body; mass; a compressed, round mass; lump;...
7Proto-Indo-Europeangrewb-to warp, bend, crawl; to bend, crouch, crawl; to...
8Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...
Every word from Proto-Indo-European ger-