noun
bottom of a box
Rare literary term for the bottom of a box or container. In modern Japanese, 箱の底 (はこのそこ) is the usual expression.
古い文書に「筐底に秘す」という表現が見られる。
In old documents, the expression 'hide at the bottom of a box' can be found.
Common modern equivalent meaning 'bottom of a box'. 筐底 is a rare literary synonym.
Compound of 筐 (box) and 底 (bottom). The exact historical derivation is uncertain; it is a literary Sino-Japanese word.