Extended Strong's Greek Lexicon (Abbott-Smith based)
to root out
Usage: έξ-ολεθρεύω (so best MSS. and WH; also read -οθρεύω), [in LXX frequently (rare in Gk. writers) for כָּרַת ni., hi., etc. ;] to destroy utterly: before ἐκ τ. λαοῦ, Act.3:23 (LXX).† (AS)