Did Gothic 𐌸𐌰𐌿 "þau" go to "if ... then" clause from a nominative singular masculine form of a Gothic demonstrative pronoun?
Was Gothic 𐌸𐌰𐌿 "þau" replaced by 𐍃𐌰 "sa"?
Is Gothic 𐌸𐌰𐌿 "þau" of "if ... then" clause an early nominative singular masculine form of a Gothic demonstrative pronoun, that survived only in that clause?