Proto-Sino-Caucasian: *=ékwV
Meaning: to scrape
Comments and references : In PNC cf. also *=Vwq_V, *Hĕrχwa / *Hĕwχwa. The latter could have influenced the phonation (lack of expected -ʔ-) in PY. [All rather dubious: ST *ghʷi(j) better to *=Vwq_V; PY *k-ij is probably a compound *k-iGǝ.]