Notes: Reconstructed for the PEC level. Class prefixation in Lak. and Tsezian is probably secondary (cf. the prefixless structure *ħirc̣- in PA). PN *-b- is a former aspective (plural) marker.
The root *Hĕrc̣V- has a parallel in HU *asχ- ( < *arc- with a typical HU development): Hurr. ašχ- 'to raise; endow', ašχu/o 'high, upper', Ur. ašχ- 'to endow' (see Diakonoff-Starostin 1986, 47).
