Where does “rollback” come from?

I need to work through this etymology chain carefully, but I notice there's a significant problem: the chain provided doesn't logically support "rollback" as a coherent word formation. The chain shows: - English back - French bac - Old French rolle - Latin rotula - Latin bassus - Ancient Greek βάσις - Proto-Indo-European gʷémtis This chain is contradictory and unclear. "Rollback" would logically derive from "roll" + "back," but: 1. "Roll" would come from Old French "rolle" → Latin "rotula" 2. "Back" is shown going through French "bac" → Latin "bassus" → Greek "βάσις," which doesn't make etymological sense for English "back" 3. The chain appears to conflate multiple unrelated words Additionally, the meaning of "rollback

rollback (English): A return to a prior state by undoing some...