noun
Archaic poetic word for the sky or the moon, used as a pillow word (makura kotoba) in classical Japanese poetry, often preceding words like 天 (ama) or 月 (tsuki). Not used in modern everyday language.
「久方の天」という表現が古い和歌に見られる。
The expression 'hisakata no ama' (the sky of the eternal) appears in old waka poems.
「久方の月」は古典で月を指す雅語的な言い方だ。
'Hisakata no tsuki' is an elegant classical way to refer to the moon.
The exact derivation is uncertain; it is a classical Japanese word used as a makura kotoba (pillow word) associated with the sky or moon.