Yes, passing through the Venetian vulgar where the “cla” cluster which evolved to modern Italian “-chia-” [ki̯a] is further palatalized to “cia” [t͡ʃa].
The original salute was meaning is “I am at your command”. In that region we still today, even it it’s rare / something that only elderly people do, use the form “mandi”, derived from “comandi” (i.e. again “at your commands”).
Yes, passing through the Venetian vulgar where the “cla” cluster which evolved to modern Italian “-chia-” [ki̯a] is further palatalized to “cia” [t͡ʃa].
The original salute was meaning is “I am at your command”. In that region we still today, even it it’s rare / something that only elderly people do, use the form “mandi”, derived from “comandi” (i.e. again “at your commands”).