Where does “smell test” come from?

smell test (English) comes from English Test, from German testen, from German Test, from English test, from Middle English teste, from Old French teste, from Latin testis, from Latin terstis — to stand.

smell test (English): An assessment of a subject's ability to detect and distinguish odors

Definitions

  1. An assessment of a subject's ability to detect and distinguish odors

Ancestry of “smell test”, step by step

smell test traces back through two separate lines of ancestry.

via English Test

StepLanguageWordMeaning
1EnglishTesta Test match
2Germantestento test
3GermanTesttest; melting pot
4EnglishtestA challenge, trial; A cupel or cupelling hearth...
5Middle Englishteste
6Old Frenchtestehead
7Latintestiswitness; one who testifies or attests; testicle
8Latinterstis
9Latintrīstissad, unhappy, melancholy, morose
10Proto-Indo-Europeantristh₂sa third party standing, after the two parties to...
11Proto-Indo-Europeansteh₂-to stand

via English smell

StepLanguageWordMeaning
1EnglishsmellA sensation, pleasant or unpleasant, detected by...
2Middle EnglishsmellenTo sense a smell or smells; To give off an odor;...
3Old Englishsmiellanto fume, reek
4Proto-West Germanicsmallijanto glow, burn, smoulder
5Proto-Indo-Europeansmel-to burn, smoulder, smoke; tar, pitch; to burn,...
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European tristh₂sEvery word from Latin trīstis