Get an Italian Tutor
Italian word cosa comes from Old Latin caussa (Case, claim. Cause, reason, purpose.)
caussa (Old Latin)
Case, claim. Cause, reason, purpose.
causa (Latin)
For the sake of or on account of (Medieval Latin) thing. (figuratively) justification, explanation. Case, claim, contention. Cause, reason. Motive, pretext. Situation, condition.
cosa (Italian)
What!. What? Thing, matter.