Baal-shalisha means “the god that presides over three; the third idol.”
Baʻal Shâlishâh (bah'-al shaw-lee-shaw') — Baal of Shalishah, Baal-Shalishah, a place in Palestine
from H1168 (בַּעַל) and H8031 (שָׁלִשָׁה);