וְהָעַוִּ֛ים עָשׂ֥וּ נִבְחַ֖ז וְאֶת־תַּרְתָּ֑ק וְהַסְפַרְוִ֗ים שֹׂרְפִ֤ים אֶת־בְּנֵיהֶם֙ בָּאֵ֔שׁ לְאַדְרַמֶּ֥לֶךְ וַֽעֲנַמֶּ֖לֶךְ אלה [אֱלֹהֵ֥י] ספרים [סְפַרְוָֽיִם׃]
and the Avvites made Nibhaz and Tartak, and the Sepharvites burnt their children in the fire to Adrammelech and Anammelech, the gods of Sepharvaim.
Read kabbalistic (mystical) interpretation of II Kings 17:31: and classical mystical sources.