亙こう古こ

noun

from long ago up to the present day

Archaic noun meaning 'from ancient times until now'. Rarely used in modern Japanese; the cross-referenced form 亘古 is more common.

See also: 亘古

• 「亙こう古こ」は古ふるい文ぶん献けんで見みられる表ひょう現げんで、遠とおい昔むかしから現げん在ざいに至いたるまでを指さす。

  「亙古」 is an expression found in old documents, referring to the span from ancient times to the present.