The story
- Proto-Indo-European*pen-
- LatinPannonia
- English todayPannonia
Learned borrowing from Latin Pannonia, ultimately from Proto-Indo-European *pen- (“moist; wet; mud; swamp; water”), thus meaning (and ultimately related to) fen /fenland.
Words from the same roots
Proto-Indo-European*pen- all →
Etymology from Wiktionary, CC BY-SA 4.0.