hveim

hver (masculine nominative singular)
hvar (masculine nominative singular)
hvat (neuter nominative singular)
hven (accusative masculine singular)
hvat (accusative neuter singular)
hveim (dative masculine singular)
hví (dative neuter singular)
hves (genitive masculine singular)
hves (genitive neuter singular)

Swedish: vem, Swedish: (pre-1906 spelling) hvem

Danish: hvem

Norwegian Bokmål: hvem

From Proto-Germanic *hwammai, dative singular of *hwaz (“what”), phonologically as if from *hwaimaz. Cognate with hwǣm, Old English hwām, Gothic 𐍈𐌰𐌼𐌼𐌰 (ƕamma).