Where does “green-white-checkered” come from?

green-white-checkered (English) comes from English checkered, from English checker, from English check, from English chequer, from Old French eschequier, from Medieval Latin scaccarium, from Vulgar Latin scaccus, from Arabic شَاه — to sire, beget.

green-white-checkered (English): Pertaining to a rule concerning how to end a motorsports race, which requires that the final two laps of a race must be raced under green flag conditions, so that any red flag or (yellow) caution flag condition on these two laps will extend the race, to allow for a racing finish

Definitions

  1. Pertaining to a rule concerning how to end a motorsports race, which requires that the final two laps of a race must be raced under green flag conditions, so that any red flag or (yellow) caution flag condition on these two laps will extend the race, to allow for a racing finish

Ancestry of “green-white-checkered”, step by step

green-white-checkered traces back through 3 separate lines of ancestry.

via English checkered

StepLanguageWordMeaning
1EnglishcheckeredDivided into squares, or into light and dark...
2EnglishcheckerOne who checks or verifies something; One who...
3EnglishcheckA situation in which the king is directly...
4EnglishchequerThe edible fruit of the wild service tree,...
5Old Frencheschequierexchequer
6Medieval Latinscaccariumchess board; chessboard; exchequer
7Vulgar Latinscaccuschess
8Arabicشَاهking in chess; king; king or check at chess, shah
9Persianشاهking; shah; king; Something that is the biggest...
10Middle Persian𐭬𐭫𐭪𐭠king
11Old Persian𐏋king
12Proto-Iranianxšáyati
13Proto-Indo-Iraniankšáyatihe rules, he has power over
14Proto-Indo-Europeanteḱ-to sire, beget

via English White

StepLanguageWordMeaning
1EnglishWhiteAlternative letter-case form of white; An...
2Englishsoxplural of sock
3Englishsocksplural of sock; Third-person singular simple...
4EnglishsockA knitted or woven covering for the foot; A shoe...
5Frenchsocplowshare; Boston butt
6Vulgar Latinsoccus
7Proto-Celticsukkospig (snout)
8Proto-Indo-EuropeansuH-pig, hog, swine
9Proto-Indo-EuropeansewH-to bear; to give birth
10Proto-Indo-Europeansew-to press out, extract; juice; liquid, rain; to...

via English Green

StepLanguageWordMeaning
1EnglishGreenOf, or pertaining, to a Green Party or green...
2Middle Englishgrenegreen
3Old Englishgrēnegreen
4Proto-West Germanicgrōnīgreen
5Proto-Germanicgrōnizgreen
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European teḱ-