Where does “𐍄𐍅𐌹𐍃-” come from?

𐍄𐍅𐌹𐍃- (Gothic) comes from Proto-Germanic twiz-, from Proto-Indo-European dwis- — two-ways, in twain; twice, in two.

𐍄𐍅𐌹𐍃- (Gothic): Prefix - occurring only in ??????????? and the...