What does 瞬く mean?
瞬く is a Japanese verb meaning “to twinkle (e.g. stars); to flicker; to waver” in English. It can also be translated as “to blink (one's eyes)” depending on context. It is written as 瞬く in kanji, またたく in hiragana, and matataku in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
星が空に瞬いていた。
The stars were twinkling in the sky.