Strong's G4602 · Greek

σιγή

sige · see-gay'

apparently from sizo (to hiss, i.e. hist or hush); silence

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 2 ** σιγή , -ῆς, ἡ [in LXX: Wi 18:14 , III Mac 3:23 * ;] silence : Ac 21:40 , Re 8:1 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain