Where does “blo” come from?

blo (Middle English) comes from Old English blāw, from Proto-West Germanic blāu, from Proto-Germanic blēwaz, from Proto-Indo-European bʰlēw- — yellow, blond, grey.

blo (Middle English): bruise; blueness; bruised, injured, visibly hurt

Definitions

  1. bruise; blueness; bruised, injured, visibly hurt

Ancestry of “blo”, step by step

blo traces back through two separate lines of ancestry.

via Old English blāw

StepLanguageWordMeaning
1Old Englishblāwblue
2Proto-West Germanicblāublue
3Proto-Germanicblēwazblue; a dark bluish or grey colour, black
4Proto-Indo-Europeanbʰlēw-yellow, blond, grey

via Old Norse blá

StepLanguageWordMeaning
1Old Norseblá—
Every word from Proto-Indo-European bʰlēw- →Every word from Proto-Germanic blēwaz →Every word from Proto-West Germanic blāu →