Where does “my” come from?

my (Westrobothnian) comes from Old Norse mý, from Proto-Germanic mugjǭ, from Proto-Germanic mują, from Proto-Indo-European mū- — fly, mosquito; fly, midge; lips, muzzle.

my (Westrobothnian): mosquitoes; mosquito

Definitions

  1. mosquitoes; mosquito

Ancestry of “my”, step by step

StepLanguageWordMeaning
1Old Norsemý—
2Proto-Germanicmugjǭa small fly; midge; mosquito
3Proto-Germanicmująfly
4Proto-Indo-Europeanmū-fly, mosquito; fly, midge; lips, muzzle
Every word from Proto-Indo-European mū- →Every word from Proto-Germanic mują →Every word from Proto-Germanic mugjǭ →