Undead
来自Big Physics
wiktionary
From Middle English undede, equivalent to un- + dead. The first attestation is from around 1400. Usage as a noun is attested from the early 20th century onwards.
etymonline
undead (adj.)
"neither dead nor alive," c. 1400, from un- (1) "not" + dead. As a noun meaning "vampires and such," from 1904. Old English undeadlic (adv.) meant "immortal, for all eternity."
