Uralic languages impetus from the fact that these languages, unlike most of the other languages spoken in Europe, are not part of what is now known as the Indo-European family. In 1717, Swedish professor Olof Rudbeck proposed about 100 etymologies connecting Finnish and Hungarian, of which about 40 are still considered valid. Several early reports comparing Finnish or Hungarian with Mordvin, Mari or Khanty were additionally collected by Leibniz and edited by his assistant Johann Georg von Eckhart. In 1730, Philip Johan von Strahlenberg published his book ("The North and East Parts of Europe and Asia"), surveying the geography, peoples and languages
Uralic–Yukaghir languages In 1933, the pioneering Indo-Europeanist Holger Pedersen published a comparative study of the verb endings in Uralic and Indo-European. According to Pedersen (1933: §8), the Uralic negative verb was formed from a verb "*e-" meaning 'be' plus the personal endings, which are identical to the personal pronouns. For instance, for the verb "*mene" 'go', the Proto-Uralic forms would have been: 1s. "*e-m mene", 2s. "*e-t mene"; 1p. "*e-me mene", 2p. "*e-te mene" meaning 'I do not go', 'thou dost not go', etc., literally 'be-me go', 'be-thou go', etc. The Uralic negative particle "*ne" 'not' would have originally formed part of