調印
ちょういん · chouin · JLPT N1 · noun
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印 — hand 爪 (claw) + kneeling person 卩
Originally a pictograph showing a hand pressing down on a kneeling figure, depicting the act of stamping or sealing. The meaning extended from 'to press a seal' to the seal itself, and then to 'print' or 'imprint' in modern usage.