Why is the ninth month called September?
"color," 1717, alteration of tinct (c.1600), from Latin tinctus "a dyeing," from tingere "to dye" (see tincture); influenced by Italian tinta "tint, hue," from Latin tinctus.
1756 (implied in tinted), from tint (n.). Related: Tinted; tinting.
Interpreted version of JOVIAL. [Sammet 1969, p. 528].