Where does “bilowe” come from?

bilowe (Middle English) comes from Old Norse bylgja, from Proto-Germanic bulgijō, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “bilowe”, step by step

StepLanguageWordMeaning
1Old Norsebylgjawave, billow
2Proto-Germanicbulgijōwave, billow
3Proto-Indo-Europeanbʰelǵʰ-to swell
4Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
5Proto-Indo-Europeanbʰōl-—
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →