IPA: /ˌsɛmpɪˈtɜrnəl/
KK: /sɛmpɪˈtɜrnəl/
Lasting forever; having no end or limit in time.
The concept of love is often described as sempiternal, transcending time and space.
Sempiternal → It is formed from "semper" (meaning always) and "aeternus" (meaning eternal). The word "sempiternal" refers to something that is everlasting or eternal, existing forever without end.
Think of 'always' ('semper') and 'eternal' ('aeternus') to remember that 'sempiternal' means something that lasts forever.