aitire

Etymology
lit. 'being between' or 'one who stands between'.

Noun

 * 1)  hostage suretyship
 * Dotéit aitire ar ḟer feras in fuil.
 * He goes surety for the man who inflicts the wound.
 * 1)  hostage surety who guarantees the performance of an obligation with themselves (as opposed to a ráth, who guarantees it with their property); guarantor
 * 2) hostage

Usage notes
In later Middle Irish, sense 2 came to be used as masculine.