His name combines two titles: the first 泥熟 (
EMCh: *
niei-źiuk) <
nīžuk, possibly identifiable with
nezak, a non-Turkic title of unknown etymology, formerly used by
Hephthalites and later adopted and re-used by the Turks; the second 匐 (MC: *
bək̚) transcribes Turkic
bäg. ==References==