蚯蚓

Noun

 * 1) earthworm

Etymology 1
First cited to the Saibara Uta from the Heian period.

The memezu form is attested from 1650, and is traditionally viewed as a pronunciation shift from mimizu.

Reconstructed as ultimately from, in which case memezu may be a reversion to an older form. The kanji are.

Noun

 * 1)  a worm, such as an earthworm

Etymology 2
From. Compare modern 🇨🇬.

Noun

 * 1) a worm, such as an earthworm