adj.
Pronunciation: ˌ sem-pi- ' t ə r-n ə l
Function: adjective
Etymology: Middle English, from Late Latin sempiternalis, from Latin sempiternus, from semper ever, always, from sem- one, same (akin to Old Norse samr same) + per through ― more at SAME , FOR
Date: 15th century
: of never-ending duration : ETERNAL
– sem · pi · ter · nal · ly adverb