Where does “sweatpants” come from?

sweatpants (English) comes from English pants, from English pantaloons, from English pantaloon, from French pantalon, from Italian Pantalone, from Ancient Greek Παντελεήμων, from Ancient Greek ἐλεήμων, from Ancient Greek ἐλεέω — Creates transitive imperfective verbs from roots.

sweatpants (English): Informal cotton trousers, with an elasticated or...

Definitions

  1. Informal cotton trousers, with an elasticated or...

Ancestry of “sweatpants”, step by step

sweatpants traces back through two separate lines of ancestry.

via English pants

StepLanguageWordMeaning
1EnglishpantsAn outer garment that covers the body from the...
2EnglishpantaloonsAn article of clothing covering each leg...
3EnglishpantaloonAn aging buffoon; Trousers reminiscent of the...
4Frenchpantalontrousers UK, pants US
5ItalianPantalonePantaloon (Venetian theatrical character)
6Ancient GreekΠαντελεήμων—
7Ancient Greekἐλεήμωνpitiful, merciful
8Ancient GreekἐλεέωI have pity on, take pity on, show mercy to
9Ancient Greek-έωUsed to form verbs from nouns, adjectives and...
10Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
11Proto-Indo-European-yetiCreates transitive imperfective verbs from roots

via English sweat

StepLanguageWordMeaning
1EnglishsweatFluid that exits the body through pores in the...
2Middle EnglishswetenTo make sweet, sweeten; To induce happiness; To...
3Old Englishswētanto sweeten
Every word from Proto-Indo-European -yeti →Every word from Ancient Greek -έω →Every word from Proto-Indo-European -éyeti →