noun
palm-leaf manuscript
Historical term for manuscripts written on dried palm leaves, used in South and Southeast Asia for Buddhist scriptures and other texts.
この貝葉は、スリランカで発見された仏典の写本です。
This palm-leaf manuscript is a copy of a Buddhist scripture discovered in Sri Lanka.
From Chinese 貝葉／贝叶 (bèiyè), originally referring to palm leaves used for writing, especially Buddhist scriptures. The Japanese reading ばいよう is the on'yomi of the kanji.