Where does “Schnellchecker” come from?

Schnellchecker (German) comes from German checken, from English check, from English chequer, from Old French eschequier, from Medieval Latin scaccarium, from Vulgar Latin scaccus, from Arabic شَاه, from Persian شاه — to sire, beget.

Ancestry of “Schnellchecker”, step by step

Schnellchecker traces back through two separate lines of ancestry.

via German checken

StepLanguageWordMeaning
1Germancheckento check (up), to inspect, examine
2EnglishcheckA situation in which the king is directly...
3EnglishchequerThe edible fruit of the wild service tree,...
4Old Frencheschequierexchequer
5Medieval Latinscaccariumchess board; chessboard; exchequer
6Vulgar Latinscaccuschess
7Arabicشَاهking in chess; king; king or check at chess, shah
8Persianشاهking; shah; king; Something that is the biggest...
9Middle Persian𐭬𐭫𐭪𐭠king
10Old Persian𐏋king
11Proto-Iranianxšáyati
12Proto-Indo-Iraniankšáyatihe rules, he has power over
13Proto-Indo-Europeanteḱ-to sire, beget

via German schnell

StepLanguageWordMeaning
1Germanschnellquick, fast; quickly; again; quick
2Middle High Germansnel
3Old High Germansnelnimble, brave, quick, lively; warlike, lively,...
4Proto-West Germanic*snël
5Proto-Germanicsnellazactive, bold, quick
6Proto-Indo-Europeansnedʰlos
Every word from Proto-Indo-European teḱ-
Schnellchecker — Etymology, Origin & Word History | Etymology Explorer