before 900;1960-65for def 28; (noun) Middle Englishs(c)hade,Old Englishsceadu (see shadow); cognate with GermanSchatten,Gothicskadus,Greekskótos; (v.) Middle Englishschaden, derivative of the noun
intershade, verb (used with object), intershaded, intershading.
unshade, verb (used with object), unshaded, unshading.
Can be confused
color, hue, shade, tint (see synonym study at the current entry)
1. obscurity, gloom, dusk. Shade, shadow imply partial darkness or something less bright than the surroundings. Shade indicates the lesser brightness and heat of an area where the direct rays of light do not fall: the shade of a tree. It differs from shadow in that it implies no particular form or definite limit, whereas shadow often refers to the form or outline of the object that intercepts the light: the shadow of a dog.8. apparition, phantom, spirit. 13. bit. 14. trace, hint, suggestion. 15. veil, screen. See curtain. 19. cloud, blur, obfuscate. 20. conceal, shelter.
O.E. sceadu "shade, shadow, darkness," also "shady place, protection from glare or heat," from P.Gmc. *skadwo (cf. O.S. skado, M.Du. scade, Du. schaduw, O.H.G. scato, Ger. Schatten, Goth. skadus), from PIE *skotwa, from base *skot- "dark, shade" (cf. Gk. skotos "darkness," Alb. kot "darkness," O.Ir. scath, O.Welsh scod, Bret. squeut "darkness"). Meaning "grade of color" first recorded 1690 (cf. Fr. nuance, from nue "cloud"). Meaning "ghost" is from 1616. Sense of "window blind" first recorded 1867, Amer.Eng. The verb meaning "to screen from light or heat" is recorded from c.1400.