Archaic term for a fishing boat, often associated with traditional night fishing using fire (isaribune).
Old fishing boats used torches at night to gather fish.
Standard kanji spelling for this archaic term.
Variant using 舟 instead of 船; both are used for small boats.
Compound of 漁り (isari, 'fishing') + 船 (fune, 'boat'), with rendaku voicing to ぶね. The exact historical derivation is uncertain, but the term is old and now archaic.