The story
- Dutch · borrowed fromboomken“shrub, little tree”
- English todaybumpkin
From Dutch boomken (“shrub, little tree”), equivalent to boom + -kin. Note that the English word boom is etymologically related to the aforementioned in the sense of "large stem", or "big tree". Compare German Baumke, Bäumchen.
Etymology from Wiktionary, CC BY-SA 4.0.