keystroke
Refers to the act of pressing a key on a keyboard or typewriter. Often used in computing and typing contexts.
I took a test to measure my keystroke speed.
パスワード入力時の打鍵を記録する。
It records keystrokes when entering a password.
Mixed kanji-kana spelling; rarely used.
Compound of 打 (strike) and 鍵 (key). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning 'keystroke'.