Ar. and P. ἡσυχία, ἡ, V. τὸ ἡσυχαῖον.
peace: P. and V. γαλήνη, ἡ, εὐδία, ἡ.
of weather: P. and V. εὐδία, ἡ, γαλήνη, ἡ, P. νηνεμία, ἡ.