From the same as aiteo; a cause (as if asked for), i.e. (logical) reason (motive, matter), (legal) crime (alleged or proved) -- accusation, case, cause, crime, fault, (wh-)ere(-fore).
see GREEK aiteo
αἰτία (aitia) − 2 Occurrences
αἰτίαν (aitian) − 16 Occurrences
αἰτίας (aitias) − 2 Occurrences