gust of wind
A sudden, strong rush of wind. Often used in literary or descriptive contexts.
一陣の風が吹いて、桜の花びらが舞い上がった。
A gust of wind blew, and the cherry blossom petals fluttered up.
Compound of 一陣 (a gust, a burst) and 風 (wind). The exact historical derivation is uncertain, but the phrase is conventionally used to describe a single, sudden rush of wind.