to make trial, essay , or proof of a thing or person, with genitive, (Herdotus Historicus), attic:—;so also in Act., ἀποπειρᾶσαι τοῦ Πειραιῶς to make an attempt on the Peiraeeus, (Thucydides) (ML)
STRONG'S WORD STUDY
G6464 — ἀποπειράομαι
apopeiraomai · to put to the test · Greek