On-riht

According to the Old English Dictionary:

es;

on-riht

n. A right(?):--Hálige þeóde, Israéla cyn, onriht Godes God's peculiar people, Cd. Th. 200, 18; Exod. 358. [Cf. Icel. eiga rétt á einum to have rights over a person.] on-riht