Hungarian Historical Phonology domb
domb 'Hügel, Anhöhe'
First attestation/Old Hungarian data
[coming]
Important dialectal forms
[coming]
Uralic/Ugric/Pre-Hungarian reconstruction
Disputed
UEW: *tȣmpɜ ‘something lofty e.g. hill, island etc.; etwas Vorragendes (z.B. Hügel, Insel usw.)‘
Status of the Ugric etymology
Implausible
Loan etymology
None suggested
Cognates suggested in earlier research
UEW:
Mansi: South (TJ) tōmp 'Insel', (T) tōmp 'Hügel' East (KU) tomp 'Insel', tump 'Insel', North (So) tump 'Insel'
Commentary
Both the initial d and the consonant cluster mb in Hungarian are incompatible with the alleged Mansi comparanda.
Conclusion
The etymology is phonologically completely irregular and should be rejected.
References
UEW s.v. tȣmpɜ: PUg Uralonet