sempiternal Meaning, Definition & Usage

  1. adjective satellite having no known beginning and presumably no end
    endless; dateless.
    • the dateless rise and fall of the tides
    • time is endless
    • sempiternal truth

WordNet

Sem`pi*ter"nal adjective
Etymology
L. sempiternus, fr. semper always: cf. F. sempiternel.
Definitions
  1. Of neverending duration; everlasting; endless; having beginning, but no end. Sir M. Hale.
  2. Without beginning or end; eternal. Blackmore.

Webster 1913