Old Norse, ed. Faulkes, p. 49,1Þórr greip eptir honum ok tók um hann ok rendi hann í hendi honum svá at staðar nam hǫndin við sporðinn. Ok er fyrir þá sǫk laxinn aptrmjór.
English, tr. Brodeur, 1916, p. 76,1Thor clutched at him and got hold of him, and he slipped in Thor’s hand, so that the hand stopped at the tail; and for this reason the salmon has a tapering back.
http://www2.hf.uio.no/common/apps/permlink/permlink.php?app=polyglotta&context=record&uid=3fa9df4f-9a1a-11e6-98cc-0050569f23b2