Where does “blȳgher” come from?

blȳgher (Old Swedish) comes from Old Norse bljúgr, from Proto-Germanic bleugaz, from Proto-Indo-European bʰlew- — to swell, flow; to overflow, to gush.

Ancestry of “blȳgher”, step by step

StepLanguageWordMeaning
1Old Norsebljúgrshy, bashful, timid; modest, humble
2Proto-Germanicbleugaz—
3Proto-Indo-Europeanbʰlew-to swell, flow; to overflow, to gush
Every word from Proto-Indo-European bʰlew- →Every word from Proto-Germanic bleugaz →Every word from Old Norse bljúgr →