grammatical voice
Definition - A grammatical category that indicates whether the subject of the utterance is the agent of the verb's action (active voice) or is the recipient of the action (passive voice).

Example -

(1) I like Bob. (active voice)
(2) Bob is liked. (passive voice)

Etymology -
The word ultimately derives from the Latin vox, voice.

Oxford English Dictionary -
Its first citation is from 1382:
"A participle of a present tens, either preterit, of actif vois, eithir passif."
(Wyclif Prol. 57 )

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