Abbott-Smith Manual Greek Lexicon
ἡσυχία (G2271)
4 ἡσυχία , -ας, ἡ ( ἡσύχιος , q.v.), [in LXX for אִישׁוֹן , שָׁלֶו , etc.;] quietness : II Th 3:12 . stillness , silence : Ac 22:2 , I Ti 2:11 , 12 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain