結び
むすび · musubi · JLPT N1 · noun
ending
🪢 結 (musubi) = knot: tie the loose ends up, so the thing comes to an end and holds together
結び is the noun of 結ぶ (musubu, to tie). A knot ends a string's loose run and binds parts into one, which is why the word covers ending, conclusion and union.