noun, noun or participle which takes 'suru', intransitive verb
wintering; passing the winter; hibernation
Used for animals, insects, or people spending the winter in a particular place or state. Often implies surviving or enduring the winter season.
ツバメは暖かい国で越冬する。
Swallows winter in warm countries.
越冬の準備
Some animals store food in preparation for wintering.