else
The origin and history of else.
Etymology
From Middle English ells, elles, from Old English elles (“other, otherwise, different”), from Proto-West Germanic *alljas, from Proto-Germanic *aljas (“of another, of something else”), genitive of *aljaz (“other”), from Proto-Indo-European *h₂élyos, from *h₂el- (“other”). Cognate with Old Frisian elles (“other”), Old High German elles, ellies (“other”), Danish eller (“or”), Danish ellers (“otherwise”), Swedish eljes, eljest (“or else, otherwise”), Norwegian elles (“else, otherwise”), Gothic 𐌰𐌻𐌾𐌹𐍃 (aljis, “other”), Latin alius (“other, another”), Ancient Greek ἄλλος (állos), Arcadocypriot αἶλος (aîlos), modern Greek αλλιώς (alliós, “otherwise, else”), Proto-Slavic *olni.