Albert Barnes Commentary Psalms 106:37

"Yea, they sacrificed their sons and their daughters unto demons," — Psalms 106:37 (ASV)

Yea, they sacrificed their sons and their daughters - See (2 Kings 16:3); (Ezekiel 16:20); (Ezekiel 20:31); (Isaiah 57:5).

Unto devils - Hebrew, שׁדים shêdiym. The Septuagint, δαιμονίοις daimoniois — “demons.” So the Vulgate, “daemoniis.” The word is used only in the plural number and is applied to idols. It occurs only in this place, and in (Deuteronomy 32:17). On the meaning of this, see the notes at (1 Corinthians 10:20).