瞬き
まばたき · mabataki · JLPT N1 · noun
blink of an eye
😉⭐ 瞬 = eye radical 目 + sound-part 舜 (shun): まばたき is an eye-flick, a quick blink
まばたき (mabataki) is the blink of an eye, and by extension a twinkle or flicker. The 目 (eye) radical marks the meaning, while 舜 supplies the sound 'shun' in the kanji 瞬. Stars twinkle in that same quick on-off way.