considers the derivation from <span class="searchmatch">Proto</span>-<span class="searchmatch">Turkic</span> *tut- a folk etymology invented to explain the evolution of the Ottoman "-u-" vowel. *<span class="searchmatch">tōtak</span> (Oghuz) lips Synonym: *erin...
Sevortyan suggests a derivation from *er- *erin lip Synonym: *<span class="searchmatch">tōtak</span> lower lip <span class="searchmatch">Proto</span>-Common <span class="searchmatch">Turkic</span>: Arghu: Khalaj: ərin Oghuz: Turkish: (dialectal) erin Turkmen:...