Where does “soy face” come from?

soy face (English) comes from English soy boy, from English boy, from Middle English boye, from Old English bōia, from Proto-Germanic bōjô, from Proto-Germanic bō-, from Proto-Indo-European bʰā- — to say.

soy face (English): A facial expression associated with unmasculine and immature men (soy boys), who are often photographed expressing surprise or excitement with their mouth agape

Definitions

  1. A facial expression associated with unmasculine and immature men (soy boys), who are often photographed expressing surprise or excitement with their mouth agape

Ancestry of “soy face”, step by step

soy face traces back through two separate lines of ancestry.

via English soy boy

StepLanguageWordMeaning
1Englishsoy boyAn effeminate or unmasculine man
2EnglishboyA young male; A male child: a son of any age; A...
3Middle Englishboyeservant, commoner, knave, boy
4Old Englishbōiaboy
5Proto-Germanicbōjôyounger brother, young male relation
6Proto-Germanicbō-A stem meaning "father, brother, close male...
7Proto-Indo-Europeanbʰā-to say

via English face

StepLanguageWordMeaning
1EnglishfaceThe front part of the head of a human or other...
2Middle Englishfaceface; Alternative form of fass
3Old Frenchfaceface
4Late Latinfacia
Every word from Proto-Indo-European bʰā-
soy face — Etymology, Origin & Word History | Etymology Explorer