PCS

*nḳy - to be clean (Kogan 2015: 216)

Origin uncertain. Hardly any connection with Akk. naḳû ‘to pour out as a libation’ (Kogan 2015: 216).

Hebrew
nḳy - to be clean (HALOT 720)
Jewish Palestinian Aramaic
nḳy - to be clean (DJPA 360)
Arabic
nqy - to be clean (Lane 3037)
Mehri
náyḳi - to be pure, clean, cleansed (ML 298)
probably borrowed from Arabic
Jibbali
níḳi - to be pure; to be found innocent (JL 191)
probably borrowed from Arabic