Strong's G2271 — ἡσυχία (noun)
hesuchia (hay-soo-khee'-ah) n.
1. (as noun) stillness, i.e. desistance from bustle or language
[feminine of G2272]
KJV: quietness, silence 
Root(s): G2272 
Hebrew root: ἡσύχιος
Occurrences: 4