でんでん虫むし

で

ん

で

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む

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Meanings

1

noun

snail

usually written using kana alone

A colloquial, often child-friendly word for snail. The more standard term is カタツムリ.

Written forms

でんでん虫むしUsage71%
It is usually written in kana. The kanji form でんでん虫 is given but is less common; the kana form でんでんむし is the practical headword.
デンデンムシUsage29%
蝸牛でんでんむし
rarely-used kanji form
Rare kanji form; the same characters are normally read かぎゅう for 'snail' in a more formal or biological context.

Kanji

虫insect, bug, temper
蝸snail
牛cow

Similar words

カタツムリ
The standard, neutral word for snail. でんでんむし is more colloquial and often used in children's language or songs.
蝸か牛ぎゅう
The formal or biological term for snail, using the same kanji as the rare form of でんでんむし. Not used in everyday conversation.

Etymology

The origin is uncertain, but it is likely a reduplicated mimetic word from the sound or appearance of a snail, possibly related to でんでん (a drumming sound) or a child's word. The kanji 蝸牛 are borrowed from Chinese and are not etymologically related to the Japanese reading.