Where does “subthreshold” come from?

Subthreshold combines English sub, from Latin sub, from Proto-Italic supo, from Proto-Indo-European upo, meaning "under," with threshold, from Proto-Germanic þreskaną, from Proto-Indo-European terh₁-, meaning "to thresh."

subthreshold (English): Describing a stimulus that is not strong enough...

Definitions

  1. Describing a stimulus that is not strong enough...

Ancestry of “subthreshold”, step by step

subthreshold traces back through two separate lines of ancestry.

via English sub

StepLanguageWordMeaning
1EnglishsubA submarine; A submarine sandwich: a sandwich...
2EnglishsubstituteTo use in place of something else, with the same...
3Middle Englishsubstituten
4Latinsubstitutussubstituted
5LatinsubstituoI place next to, under, or instead of; I...
6LatinstatuoI set up, station; I establish, determine, fix; I...
7Latinstātusfixed, set, having been set
8Latinstōto stand
9Proto-Italicstaēōstand
10Proto-Indo-Europeansth₂éh₁yetito stand
11Proto-Indo-European*steh₂-

via English threshold

StepLanguageWordMeaning
1EnglishthresholdThe bottom-most part of a doorway that one...
2Middle EnglishthreschwoldeA door-sill; the bottom board of a door; An...
3Old Englishþresċolddoorsill, entryway
4Proto-Germanicþreskwaþluzthreshold
5Proto-Germanicþreskanąto thresh
6Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce
Every word from Proto-Indo-European *steh₂-