招縄

Etymology
Compound of. The verb oku has mostly fallen out of use in this sense, persisting in certain niche fields such as falconry.

One source cites this to the  of 1603, but the term apparently has no actual entry in the original work, but only appears in the Japanese translated version. The next earliest cite is from the, sometime after the Muromachi period.

Noun

 * 1)  a jess: a strap secured to the ankle of a falcon or other bird of prey to aid in controlling and training