Meaning

noun a neutral achromatic color midway between white and black

noun clothing that is a grey color

noun any organization or party whose uniforms or badges are grey

originFrom Middle English gray, from Old English grǣġ (West Saxon). The spelling gray reflects the West Saxon vowel development, whereas the variant grey stems from the Anglian form grēġ (through Middle English grey). Further derived from Proto-West Germanic *grāu, from Proto-Germanic *grēwaz (“grey”), from Proto-Indo-European *ǵʰreh₁- (“to green, to grow”). Cognate with West Frisian grau (“grey”),…

Etymology from Wiktionary, CC BY-SA 3.0