godan verb (-u)
miss a shot; shoot and miss
Used for failing to hit a target with an arrow, gun, or similar projectile. The verb is transitive and takes the target as the object.
彼は鹿を射損なった。
He shot at the deer and missed.
的を射損なうことはめったにない。
I rarely miss the target.
Compound of 射 (i, 'shoot') + 損なう (sokonau, 'fail to do'). The verb 損なう attaches to the continuative form of verbs to mean 'fail to do' or 'do incorrectly'.