godan verb (-ku), intransitive verb
Describes something starting to burn, often with a focus on the moment of ignition. Intransitive; the subject is the thing that catches fire.
乾いた木はすぐに燃えつく。
Dry wood catches fire quickly.
ストーブの火が新聞紙に燃えついた
The flame from the stove ignited the newspaper.