思い付き
おもいつき · omoitsuki · JLPT N1 · noun
idea
💡 思い (thought) + 付き (attached): a thought that suddenly sticks to you, so an idea or plan
思い付く means to hit upon an idea. The noun 思い付き often describes a sudden, spur-of-the-moment plan or suggestion, the kind that pops up unexpectedly.
付 — person radical 亻 + hand 寸
付 originally pictured a hand (寸) reaching out to hand something to a person (亻), depicting the act of giving or delivering. The core sense 'to hand over, deliver, pay' has remained stable since ancient bronze inscriptions. It also serves as a phonetic component in characters like 附, 符, and 府.