Ugric languages → Hungarian "szem", Mansi сам , Khanty сем ). A peculiar exception is the numeral '3', in which Hungarian ("három") and Mansi (хурэм ) point to an original cluster *rm, whereas the rest of the Uralic family suggests original *lm (Khanty холәм, Finnish "kolme", Estonian "kolm", Inari Sami "kulma", Erzya колмо, etc.) This has frequently been listed as an argument for considering Hungarian more closely related to Mansi than Khanty. The reverse has also been suggested—Hungarian and Mansi retaining the original form of the numeral, whereas Khanty and all the Finno-Permic languages would have innovated /l/ for some reason. Hungarian
Uralic languages evidence of a number of extinct languages of uncertain affiliation: Traces of Finno-Ugric substrata, especially in toponymy, in the northern part of European Russia have been proposed as evidence for even more extinct Uralic languages. All Uralic languages are thought to have descended, through independent processes of language change, from Proto-Uralic. The internal structure of the Uralic family has been debated since the family was first proposed. Doubts about the validity of most of the proposed higher-order branchings (grouping the nine undisputed families) are becoming more common. A traditional classification of the Uralic languages has existed since the late 19th