This word is also written as "九十九髪," and it also means "things that have become deities over a long time or experience" since "髪" (hair) implies "白髪" (gray hair).
また九十九髪と表記される場合もあるが、「髪」は「白髪」に通じ、同様に長い時間経過や経験を意味し、「多種多様な万物が長い時間や経験を経て神に至る物（者）」のような意味を表すとされる。