also: すえはず
noun
top knock of a bow
Refers to the notch at the top end of a Japanese bow (yumi) where the string is attached. A specialized archery term.
弓の末弭に弦をかける。
String the bow by fitting the string into the top knock.
末弭が欠けると弦が外れやすくなる。
If the top knock is chipped, the string tends to come off.
Compound of 末 (ura, 'tip, end') and 弭 (hazu, 'nock of a bow'). The reading うらはず is the standard; すえはず is a less common alternative.