Proto-Lezghian: *t:aqIʷ
Meaning: back of head
Lezghian: t:eχʷ
Rutul: daqI
Comment: Cf. also Lezg. Khl. t:äχIʷ, Rut. Khnov. daqIʷ. Reflexes of *qIʷ are irregular: we should expect -ʁʷ in Lezg. and -χIʷ in Rut. (perhaps the irregularity is due to labialisation?). 4th class in Rut.