“... In Apoc. Ab. 15.2-7, Abraham is taken to the seventh heaven, where he encounters humanlike creatures, crying out in a language unknown to him: [...] And behold, in this light a fiery Gehenna was enkindled, and a great crowd in the likeness of men. They all were changing in aspect and shape, running and changing form and prostrating themselves and crying aloud words [...] I did not know. Rubinkiewicz’s translation does not clearly indicate that the angels spoke an esoteric language: the reference to “words” that Abraham “did not know” could simply refer to his inability to hear them clearly. Alexander Kulik, however, has recently reconstructed the Greek behind the present “semantic calque”, finding there the term [...], denoting a “special angelic language”. This reconstruction leads him to translate 15.7 as “They [= the angels] were shouting in the language the words of which I did not know,” listing the Testament of Job and 1 Corinthians, as conceptual parallels. Himmelfarb’s translation (presented above in brackets) essentially agrees with the view of Kulik. ...”