腴つちすり

noun

fatty underbelly of a fish

Archaic term for the fatty belly portion of a fish, now largely replaced by 砂ずり or 砂摺り, which also refer to a bird's gizzard. The reading つちすり is also archaic.

See also: 砂ずり (すなずり)

• 古ふるい文ぶん献けんでは、魚さかなの腴すなずは珍重りはちんちょうされたと記しるされている。

  Old documents record that the fatty underbelly of fish (sunazuri) was highly prized.