noun
Refers to a single strike or hit, often in sports like golf or baseball, or in a physical attack.
彼の一打で試合が決まった。
The match was decided by his single stroke.
一打ごとに集中力を高める。
I sharpen my concentration with each stroke.
一撃 also means a single blow, but often implies a more forceful or decisive strike, while 一打 is more neutral and commonly used in sports.
Compound of 一 (one) and 打 (strike, hit). The reading いちだ is a straightforward combination of the on'yomi readings.