首くび元もと

noun

base of the throat; bottom of the neck

Refers to the area where the neck meets the torso, often used when describing clothing, accessories, or physical contact near the collarbone.

• 寒さむいので、首くび元もとにマフラーを巻まいた。

  Because it was cold, I wrapped a scarf around my neck.

• 彼かの女じょは首くび元もとにネックレスをしていた。

  She was wearing a necklace around her neck.