noun
appearance of one's neck
Archaic noun referring to the look or shape of a person's neck. Not used in modern everyday speech.
古い文献に「首付きが美しい」という表現が見られる。
In old texts, one can find the expression 'the appearance of the neck is beautiful.'
Compound of 首 (kubi, 'neck') and 付き (tsuki, 'attached' or 'appearance'). The exact historical derivation is uncertain, but it likely referred to the way the neck is set or looks.