from The Century Dictionary and Cyclopedia
- n. Anciently, in Ireland, the head of one of the families or tribes into which each sept or clan was divided.
Sorry, no etymologies found.
No one is King of Cashel until Patrick's comarb ordains him and imposes the grade on him.
Patrick blessed him, and he believed in God, and confessed the Catholic faith, and was baptized; and Patrick said to him: "Your seat (_cathair_, chair or city) on earth shall be noble"; and Patrick's (_comarb_) successor is bound to bend the knee before his _comarb_ in consideration of his submission.
He sent Palladius, a high deacon, with twelve men, to instruct the Gaeidhel (for to the comarb of Peter belongs the instruction of Europe), in the same way as Barnabas went from Peter to instruct the Romans, etc.
Rome (_sic_) to confer with the comarb of Peter "(_A. F.M.