Where does “mý” come from?

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

Ancestry of “mý”, step by step

mý traces back through two separate lines of ancestry.

via Proto-Germanic mugjǭ

StepLanguageWordMeaning
1Proto-Germanicmugjǭa small fly; midge; mosquito
2Proto-Germanicmująfly
3Proto-Indo-Europeanmū-fly, mosquito; fly, midge; lips, muzzle

via Proto-Germanic mugjō

StepLanguageWordMeaning
1Proto-Germanicmugjōmidge, mosquito, gnat
2Indo-European*mū-—

Words derived from “mý”

Every word from Proto-Indo-European mū- →Every word from Proto-Germanic mują →Every word from Proto-Germanic mugjǭ →