least weasel
A small carnivorous mammal, Mustela nivalis. In Japanese, the name is usually written in katakana as イイズナ.
The least weasel is a small carnivore that also inhabits Japan.
Kanji form is rare and may not be widely recognized; lists it but gives no priority information.
Hiragana spelling, also used.
The origin of the Japanese name イイズナ is uncertain. It may be derived from a dialectal or older form, but no clear etymology is established.