Where does “color commentator” come from?

color commentator (English) comes from English color, from French couleur, from Italian colore, from Polish kolor, from Latin color, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron — Derives agent nouns from verbs, denoting someone...

color commentator (English): At a sporting event, a member of the radio or television announcing team who assists a play-by-play announcer. Provides insight into strategy, player performance, background information, etc., and often light humor

Definitions

  1. At a sporting event, a member of the radio or television announcing team who assists a play-by-play announcer. Provides insight into strategy, player performance, background information, etc., and often light humor

Ancestry of “color commentator”, step by step

color commentator traces back through two separate lines of ancestry.

via English color

StepLanguageWordMeaning
1EnglishcolorThe spectral composition of visible light; A...
2Frenchcouleurcolor, colour; a flush; suit
3Italiancolorecolor, colour; hue; pip
4Polishkolorcolour; suit; flush
5Latincolorcolour, shade; color; pigment; complexion
6Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
7Ancient Greek-τρονForms instrument nouns
8Proto-Hellenic-tronForms instrument nouns from verb stems
9Proto-Indo-European-tromForms nouns denoting a tool or instrument
10Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English commentator

StepLanguageWordMeaning
1EnglishcommentatorA person who comments; especially someone who is...
2EnglishcommentA spoken or written remark; A remark embedded in...
3Middle Englishcoment
4Old Frenchcomentcommentary
5Old French-mentUsed to form adverbs, most of the time equivalent...
6Latin-mentuminstrument, medium, or result of; e.g....
7Latin-mentanominative plural of -mentum; accusative plural...
8Proto-Indo-European-mn̥Creates action nouns or result nouns from verbs
Every word from Proto-Indo-European -tḗr