海鼠

Noun

 * 1)  dolphin

Etymology 1
. Previously spelled, with the portion explicitly spelled out. The nama portion was likely added to specify sea cucumber eaten raw, in contrast to.

First cited in a text from 1781.

The modern spelling is, from + , possibly due to their backs resembling those of mice or because, like mice, they are active at night crawling.

Noun

 * 1) sea cucumber

Etymology 2
The older term for modern namako. First cited in the ten-volume  of 934.

Possibly cognate with, perhaps from the way that a sea cucumber will contract into a small ball shape when disturbed.

The spelling is, same as above.

Noun

 * 1)  sea cucumber

Etymology 3
Compound of -derived elements 🇰🇲.

First cited in the of 918.

Noun

 * 1) sea cucumber