Where does “insubordinate” come from?

Insubordinate derives from English subordinate with the prefix in-, from Middle English in-, from Latin in- meaning "not," from Latin in meaning "in," from Proto-Indo-European ne meaning "not," oyd- meaning "to see," en meaning "in," and h₂er- meaning "to move" or "to stir."

insubordinate (English): Rebellious or defiant to authority; Contumacious;...