river catch; river products; fruits of the river
Refers to edible fish, shellfish, and other food obtained from a river. Often used in poetic or culinary contexts, similar to 海の幸 (seafood) and 山の幸 (mountain produce).
In this region, dishes made with river catch are a specialty.
Anglers gathered from early morning in search of the river's bounty.
Compound of 川 (river) + の (possessive particle) + 幸 (blessing, fortune, bounty). The phrase follows the pattern of 海の幸 and 山の幸, using 幸 to poetically refer to natural food resources.