FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

astocheo ἀστοχέω — as-tokh-eh'-o — from a compound of 1 (as a negative particle) and stoichos (an aim); to miss the mark, i.e. (figuratively) deviate from truth:--err, swerve.

see GREEK for 1