In Ps. 57.3 the designation Elohim Elyon occurs in parallelism with “the god who avenges me”. Dahood took the expression ʾēl gōmēr to be a reminiscence of a divine name Gomer El (1953). He translated the expression as ‘the Avenger El’ (1968: 49).
The root gmr is well attested in the Semitic languages (Ges18 223). From the basic denotation ‘to come to an end, to bring to an end’, it has developed the secondary senses ‘to destroy’ (Phoen. mgmr means ‘destruction’) and ‘to avenge’ (in Ugari…