The kanji 亘 primarily conveys the meaning of "to span," "to extend over," or "to traverse." It implies something that stretches across a distance, time, or space, suggesting continuity or covering something. It can also indicate a mutual or reciprocal relationship.

・On-yomi (音読み): ・コウ (kō) ・Kun-yomi (訓読み): ・わた（る） (wata(ru)) - to extend over; to span

⚫︎亘古 Translation: Eternity; Everlasting. ⚫︎互いに亘る Translation: To extend mutually; to cover each other. ⚫︎横に亘る Translation: To stretch horizontally.

The kanji 亘 is a pictographic character. It originally depicted something stretching across or covering a surface. The top stroke represents a line, with the lower part representing the surface or space over which the line extends. The character illustrates the concept of spanning or extending.