古こ来らい

adverb, noun which may take the genitive case particle 'no', noun

from ancient times; since olden days; from time immemorial

Used to describe something that has continued or been known since long ago. Often appears in formal, historical, or literary contexts, and can modify nouns with の or function adverbially.

• 古こ来らい、この地ち域いきでは祭まつりが行おこなわれてきた。

  Since ancient times, festivals have been held in this region.

• 古こ来らいの伝でん統とうを守まもり続つづける。

  We continue to preserve traditions from time immemorial.