Where does “tighties” come from?

tighties (English) comes from English tight, from Middle English tight, from Old English þiht.

tighties (English): Men's or boys' briefs

Definitions

  1. Men's or boys' briefs

Ancestry of “tighties”, step by step

tighties traces back through two separate lines of ancestry.

via English tight

StepLanguageWordMeaning
1EnglishtightFirmly held together; compact; not loose or open;...
2Middle Englishtight
3Old Englishþiht

via English ies

StepLanguageWordMeaning
1Englishiesplural of i, the name of the letter I
Every word from Old English þihtEvery word from Middle English tightEvery word from English tight