conc▪ [v1] : Accord. to Rolland2014, ǧurbuz (~ qurbuz) ‘imposteur, frippon’ is from Pers gurbuz ‘malin, rusé, audacieux’. So also Ḍinnāwī2004.
▪ †[v2] : …
▪ †[v3] : According to Ehret1995#285, Ar ǧarbaza ‘to fall’ represents an extension in “extendative” *-b and “intensive (manner)” *-z from a bi-consonantal “pre-Proto-Semitic” root *GR-‘to go down’ < AfrAs *-GǏR- ‘to sit’. – Other extensions from the same pre-protSem root: ↗ǦRː (ǦRR), ↗ǦRṮM, ↗ǦRǦM, ↗ǦRDL, ↗ǦRFS .
▪ †[v4] : …