From *𐌷𐌰𐌻𐌹𐍃 (*halis) + 𐌰𐌹𐍅 (aiw). This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. Whence *halis?
𐌷𐌰𐌻𐌹𐍃𐌰𐌹𐍅 • (halisaiw)