[ ˌsɛmpɪ'tə:n(ə)l ]
■ adjective literary eternal and unchanging; everlasting.
Derivatives
~ly adverb
sempiternity noun
Origin
ME: from OFr. sempiternel or late L. ~is , from L. sempiternus , from semper 'always' + aeternus 'eternal'.
[ ˌsɛmpɪ'tə:n(ə)l ]
■ adjective literary eternal and unchanging; everlasting.
Derivatives
~ly adverb
sempiternity noun
Origin
ME: from OFr. sempiternel or late L. ~is , from L. sempiternus , from semper 'always' + aeternus 'eternal'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004