結び付き
むすびつき · musubitsuki · JLPT N1 · noun
connection
🔗 結ぶ (tie) + 付く (attach) = things tied and attached together: a connection
結ぶ means to tie or knot, and 付く means to attach or stick to. Tied and attached together gives a link between things. The same root appears in 結び目, a knot.
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.