亘こう古こ

noun

for ever; from ancient times

Archaic literary term meaning 'since antiquity' or 'eternally'. Not used in modern conversation; found in classical texts.

• 古こ典てんでは「亘こう古こ」は永えい遠えんや太たい古こからの時じ間かんを表あらわす。

  In classical literature, 亘古 expresses eternity or time since ancient times.