Deuteronómio 28:61 Comentario: Rashi, Chizkuni, Ibn Ezra & Siftei Chakhamim

יעלם is a form from the root עלה (not from עלם).

אשר לא כתוב, “which have not been recorded (in the Torah);” the Chaldeans used to tie good looking male Jews to their bedposts during the time they engaged in sexual relations with their wives, in order that their wives at the time by looking at these good looking males would become aroused and their babies would resemble what they had seen at that time. It happened once that one of them told his colleague that this is what has been written here, i.e. what is meant by “perversions which have not been recorded in the Torah.” (Talmud, tractate Gittin folio 58.)

bring from “brought” [Jeremiah 16: 14] (even though there the ‘ayin is vocalized with a ḥaṭaf segol). Others say that the word is to be understood in its Aramaic sense, meaning “bring”.