Un-rétu
Bosworth & Toller Anglo-Saxon Old English Dictionary - un-rétu
According to the Old English Dictionary:
(-o);
- un-rétu
- f. Anxiety, disquiet :-- Ðá bǽdon mec míne geféran ðæt ic on swá micelre módes unréto and nearonisse mec selfne mid fæstenne ne swencte rogantibus amicis ne me anxietate et jejunio condeficerem, Nar. 30, 23.