cool air; coolness
Refers to a pleasantly cool atmosphere or breeze, often in a poetic or literary context.
朝の涼気が心地よい。
The morning coolness is pleasant.
窓から涼気が流れ込む。
Cool air flows in through the window.
Compound of 涼 (cool, refreshing) and 気 (air, atmosphere). The exact historical derivation is uncertain, but the word has been used in literary Japanese to describe cool air or a refreshing coolness.