Refers to the tip of an arrow, typically made of metal or stone, used in archery.
根矢は矢の先端に取り付けられる。
The arrowhead is attached to the tip of the arrow.
Compound of 根 (ne, 'root, base') and 矢 (ya, 'arrow'), referring to the base or tip of an arrow. The exact historical derivation is uncertain.