Where does “quadchromatic” come from?

quadchromatic (English) comes from English quad, from English quadricycle, from English quadri-, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos — and.

quadchromatic (English): Involving four colors; Having color vision using...

Definitions

  1. Involving four colors; Having color vision using...

Ancestry of “quadchromatic”, step by step

quadchromatic traces back through two separate lines of ancestry.

via English quad

StepLanguageWordMeaning
1EnglishquadFour shots of espresso; A kind of round-robin...
2EnglishquadricycleA four-wheeled pedal cycle; A four-wheeled...
3Englishquadri-API; Four
4Latinquattŭorfour; 4
5Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
6Old Portuguesequartoquarter
7Latinquārtusfourth
8Proto-Indo-Europeankʷeturtos
9Proto-Indo-Europeankʷetwóresfour
10Proto-Indo-Europeankʷe-and

via English chromatic

StepLanguageWordMeaning
1EnglishchromaticRelating to or characterised by hue; Having the...
2EnglishchromatinA complex of DNA, RNA and proteins within the...
3GermanChromatinchromatin
4German-īncreates the female form for many nouns for living beings; umlaut usually occurs in monosyllables, but rarely in polysyllables
5Latin-īnusof or pertaining to; -ine
6Proto-Italic-īnosof/belonging to
7Proto-Indo-European-iHnosCreates adjectives of materials
8Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European kʷe-