What is the Latin word for everlasting?

The usual Latin words for “everlasting” are aeternitās, ăīzōŏn, omnis. The right choice depends on the sense; see the distinctions below.

English → Latin

“everlasting” in Latin

aeternitāseternity (only in an abstract, non-countable sense)ăīzōŏnan evergreen plant.omnisevery; whole, the entirety, all; all

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

everlasting

[Vid: ETERNAL.][Vid: ETERNAL.]

As substantive, aeternitas. From everlasting, ab infinito tempore; ex (omni) aeternitate (Cic.): to everlasting, in aeternum. ☞ Not in secula seculorum. (☞ Lactantius has of the Deity, qui et fuerit a seculis et sit futurus in secula.)

A plant so called, *aizoon (Linn.): *antennaria (Brown: al. gnaphalium).

Quick answer

What is the Latin word for everlasting?: The usual Latin words for “everlasting” are aeternitās, ăīzōŏn, omnis. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.