The story
- Old English · inherited frombealcan“to belch; utter”
- Middle English · inherited frombolken
- English todaybowk
From Middle English bolken, bulken, alteration of earlier balken, from Old English bealcan (“to belch; utter”). Compare Dutch bulken (“to roar”), German bölken. More at bolk.
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.