PWS

*ḳŝr - to peel (CDG 448)

Arabic
qšr - to strip off, to scrape off (Lane 2525)
Geez
ḳaŝŝara - to peel, scrape (CDG 448)

Kogan 2015:37, note 75: “Etymological parallels to qišrat- are mostly restricted to MSA and may be Arabisms. ... Geez ... does not seem to be attested in the corpus of classical Geez literature and may be an Arabism as well”.

Mehri
ḳəŝūr - to peel (ML 242)

Kogan 2015:37, note 75: “Etymological parallels to qišrat- are mostly restricted to MSA and may be Arabisms”.

Jibbali
ḳɔ́ŝɔ́r - to peel, shell (JL 153)

Kogan 2015:37, note 75: “Etymological parallels to qišrat- are mostly restricted to MSA and may be Arabisms”.