Fade
Middle English (in the sense ‘grow weak’): from Old French fader, from fade ‘dull, insipid’, probably based on a blend of Latin fatuus ‘silly, insipid’ and vapidus ‘vapid’.
wiktionary
From Middle English fade, vad, vade(“faded, pale, withered, weak”), from Middle Dutch vade(“weak, faint, limp”), from Old French fade(“weak, witless”), of obscure origin. Probably from Vulgar Latin *fatidus, from Latin fatuus(“insipid”).
From Middle English fade, fede, of uncertain origin. Compare Old English ġefæd(“orderly, tidy, discreet, well-regulated”). See also fad.
etymonline
fade (v.)
early 14c., "lose brightness, grow pale," from Old French fader "become weak, wilt, wither," from fade (adj.) "pale, weak; insipid, tasteless" (12c.), probably from Vulgar Latin *fatidus, which is said to be a blending of Latin fatuus "silly, tasteless" and vapidus "flat, flavorless." Related: Faded; fading. Of sounds, by 1819. Transitive sense from 1590s; in cinematography from 1918.
Adieu! adieu! thy plaintive anthem fades
Past the near meadows, over the still stream,
Up the hill-side; and now 'tis buried deep
In the next valley-glades:
Was it a vision, or a waking dream?
Fled is that music:" Do I wake or sleep?
[Keats, from "Ode to a Nightingale"]
fade (n.)
early 14c., "loss of freshness or vigor," from fade (adj.), c. 1300, " lacking in brilliance; pale, discolored, dull," from Old French fade (see fade (v.)). As a type of tapering hairstyle from 1988 (fade-out style is in a 1985 "Ebony" article on men's haircuts).