The article investigates some aspects of the Old Turkic word sü. A sense not recorded in the standard dictionaries is established on the basis of a philological analysis of the available texts. The phonetic shape of sü is defended against some claims proposing a different vocalic or consonantal part of it. And finally, a derivation of this word from a Chinese source is questioned as not satisfactorily proved
 

The article investigates some aspects of the Old Turkic word sü. A sense not recorded in the standard dictionaries is established on the basis of a philological analysis of the available texts. The phonetic shape of sü is defended against some claims proposing a different vocalic or consonantal part of it. And finally, a derivation of this word from a Chinese source is questioned as not satisfactorily proved