Latin, "always the same;" from semper "always, ever" (see semper-) + idem "the same" (see idem).
Entries linking to semper idem
semper-
word-forming element meaning "always, ever," from Latin semper "always, ever, at all times, continuously" (literally "once for all"), from PIE *semper-, from root *sem- (1) "one; as one, together with" + *per- "during, for."
idem adv.
"the same (as above)," used to avoid repetition in writing, Latin, literally "the same," from id "it, that one," from PIE pronominal stem *i- (see yon) + demonstrative suffix -dem.