Impetus
01
勢い, 推進力
the force that causes something to move or to keep moving
例
The strong winds provided the impetus for the sailboat to glide across the water at high speed.
強い風がセールボートに勢いを与え、高速で水面を滑走させました。
02
勢い, 推進力
a forceful turn or spin in dance, often used in partner dances like waltz and foxtrot
