Where does “retinoid” come from?

Retinoid is an English formation from retina, derived from Latin retīna, which combined the prefix re- with -culum, ultimately tracing to Arabic كحل (kohl, an eye cosmetic), creating a term for substances chemically related to retinol.

retinoid (English): Pertaining to or resembling a resin; Any of a...

Definitions

  1. Pertaining to or resembling a resin; Any of a...

Ancestry of “retinoid”, step by step

retinoid traces back through two separate lines of ancestry.

via English retinol

StepLanguageWordMeaning
1EnglishretinolA fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development
2English-olAn alcohol or phenol; Indicating an oily...
3EnglishalcoholAny of a class of organic compounds containing a...
4FrenchalcoholAlternative spelling of alcool
5Medieval Latinalcoholpowdered ore of antimony; kohl, collyrium,...
6Arabicكحلantimony; kohl, stibnite; black coloring of the...
7Arabicكُحْلantimony; kohl, stibnite
8Akkadianguḫlumkohl, antimony paste

via Ancient Greek ῥητίνη

StepLanguageWordMeaning
1Ancient Greekῥητίνηresin of the pine

Words derived from “retinoid

Every word from Akkadian guḫlum