Proto-Lezghian: *pulχ:
Meaning: diarrhea
Rutul: piχ
Archi: purχ
Comment: Cf. Arch. erg. purχ:e. Arch. -r- before a uvular goes back only to PL *-l-. The Rut. form is irregular (*purχ would be expected), which must be explained by the expressive nature of the root (perhaps also a contamination with PL *p[e]χ 'blister, bubble' q.v.).
