Where does “outswarm” come from?

outswarm (English) comes from English out, from Middle English oute, from Old English ūt, from Proto-West Germanic *ūt, from Proto-Germanic ūt, from Proto-Indo-European úd — out, outward.

outswarm (English): To swarm in greater numbers than

Definitions

  1. To swarm in greater numbers than

Ancestry of “outswarm”, step by step

outswarm traces back through two separate lines of ancestry.

via English out

StepLanguageWordMeaning
1EnglishoutAway from the inside, centre or other point of...
2Middle Englishouteout
3Old Englishūtout
4Proto-West Germanic*ūtout, outward
5Proto-Germanicūtout, outward
6Proto-Indo-Europeanúdout, outward

via English swarm

StepLanguageWordMeaning
1EnglishswarmA large number of insects, especially when in...
2Middle EnglishswarmA swarm; A large group of people
3Old Englishswearmswarm
4Proto-Germanicswarmazswarm; dizziness
5Proto-Indo-Europeanswēr-heavy
Every word from Proto-Indo-European údEvery word from Proto-Germanic ūtEvery word from Proto-West Germanic *ūt