bleed (v.)youdaoicibaDictYouDict[bleed 词源字典]
Old English bledan "to let blood," in Middle English and after, "to let blood from surgically;" also "to emit blood," from Proto-Germanic *blodjan "emit blood" (cognates: Old Norse blæða, German bluten), from *bhlo-to- "swell, gush, spurt" (see blood (n.)). Meaning "extort money from" is from 1670s. Of dyes or paints, from 1862. Related: Bled; bleeding.[bleed etymology, bleed origin, 英语词源]
latex (n.)youdaoicibaDictYouDict
1660s, "body fluid," from Latin latex (genitive laticis) "liquid, fluid," probably from Greek latax "dregs," from PIE root *lat- "wet" (cognates: Middle Irish laith "beer," Welsh llaid "mud, mire," Lithuanian latakas "pool, puddle," Old Norse leþja "filth"). Used 1835 to mean "milky liquid from plants." Meaning "water-dispersed polymer particles" (used in rubber goods, paints, etc.) is from 1937. As an adjective by 1954, in place of clasically correct laticiferous.
oil (n.)youdaoicibaDictYouDict
late 12c., "olive oil," from Anglo-French and Old North French olie, from Old French oile, uile "oil" (12c., Modern French huile), from Latin oleum "oil, olive oil" (source of Spanish, Italian olio), from Greek elaion "olive tree," from elaia (see olive). Old English æle, Dutch olie, German Öl, etc. all are from Latin. It meant "olive oil" exclusively till c. 1300, when meaning began to be extended to any fatty, greasy substance. Use for "petroleum" first recorded 1520s, but not common until 19c. The artist's oils (1660s), short for oil-color (1530s), are paints made by grinding pigment in oil.
painter (n.1)youdaoicibaDictYouDict
"artist who paints pictures," early 14c., from Old French peintor, from Latin pictor "a painter," from pingere (see paint (v.)). Sense of "workman who colors surfaces with paint" is from c. 1400. As a surname, Painter is attested from mid-13c. but it is difficult to say which sense is meant. Related: Painterly.
monochromistyoudaoicibaDictYouDict
"A person who paints, draws, or prints in monochrome", Mid 17th cent.; earliest use found in John Evelyn (1620–1706), diarist and writer. From monochrome + -ist.