Meaning

noun the voice used to indicate that the grammatical subject of the verb is the recipient (not the source) of the action denoted by the verb

adjective lacking in energy or will; - George Meredith

adjective peacefully resistant in response to injustice

originFrom Middle English passyf, passyve, from Middle French, French passif, from Latin passivus (“serving to express the suffering of an action; in late Latin literally capable of suffering or feeling”), from passus, past participle of pati (“to suffer”), ultimately from Proto-Indo-European *peh₁- (“to hurt”); compare patient.

Etymology from Wiktionary, CC BY-SA 3.0