Strong's Greek #159
αἰτίου

Englishman's Concordance (References)

αἰτίου aitiou — 1 Occurrence

Acts 19:40 - Adj-GNS
GRK:σήμερον μηδενὸς αἰτίου ὑπάρχοντος περὶ
NAS: events, since there is no [real] cause [for it], and in this
INT: this day not one cause existing concerning