Abbott-Smith Manual Greek Lexicon
ἐκ-ταράσσω (G1613)
1 ἐκ-ταράσσω [in LXX: Ps 18:4 ( בּﬠת pi.), Ps 88:16 ( צמת ), Wi 17:3 , 4 18:17 * ;] to throw into great trouble, agitate : Ac 16:20 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain