Where does “ܐܘܓܢܕܐ” come from?

ܐܘܓܢܕܐ (Assyrian Neo-Aramaic) comes from Swahili Uganda, from Luganda Buganda — land of the Ganda.

Ancestry of “ܐܘܓܢܕܐ”, step by step

Step	Language	Word	Meaning
1	Swahili	Uganda	{{w\|Buganda}}, subnational kingdom
2	Luganda	Buganda	land of the Ganda