一切經音義 61.287

61.287

峻坂（上笋俊反山高也古文作峻險也下音反考聲坡也峻坡日坂）。

Steep slope (峻坂; the first character is pronounced with the fanqie 笋俊 [jùn], meaning high mountains, written as 峻 in ancient script, meaning perilous; the second character is pronounced 反 [bǎn]; the Kaosheng says it is a slope; a steep slope is called a 坂).