since time immemorial

US /sɪns taɪm ɪmɪˈmɔːriəl/
UK /sɪns taɪm ɪmɪˈmɔːriəl/
"since time immemorial" picture
1.

sejak zaman berzaman, sejak dahulu kala

for a very long time, for a period longer than anyone can remember

:
The tradition has been passed down since time immemorial.
Tradisi itu telah diwarisi sejak zaman berzaman.
People have been fishing in this river since time immemorial.
Orang ramai telah memancing di sungai ini sejak zaman berzaman.