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となり · tonari · JLPT N5 · na-adj
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🏠🏡 tonari = to (door) + nari (lined up): doors in a row are neighbours
A verbal hook, not strict etymology: to is the Japanese word for door (戸), and nari echoes narabu, to line up. Doors lined up side by side means next door. Totoro fans know it from Tonari no Totoro, My Neighbour Totoro.