onset   (Sound)

The onset has 2 Senses.

• onset, oncoming
• 初期
• the beginning or early stages; "the onset of pneumonia"
• 始まりや初期の段階

• attack, onslaught, onset, onrush
• 攻, 攻撃, 攻戦, 襲撃, アタック, 来襲, 進攻, 攻め, 襲来
• (military) an offensive against an enemy (using weapons); "the attack began at dawn"
• 敵に対する攻撃（武器を使用して）