In this paper words which in Tocharian name animals and their body parts are analyzed. There are 13 words, which have etymological parallels in Baltic, Slavic and other Indo-European languages. Five words (from 13) which name domestic animals (Toch. A yuk, В yakwe, Lith. ašva; Toch. AB ku “bitch, dog”, Lith. šuo; toch. A ko, B ki, kew “cow”, Latv. guovs “ox”; Toch. A kayurs, B kaurse “bull”, Lith. veršis “calf”, Toch. В suwo “sow”, Latv. suvens “pig”) have retained many of the most archaic features of the Indo-European vocabulary. The remaining eight words, which name birds, beasts, fish and insects, frequently are derivatives from Indo-European verbal or adjectivel roots.

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