Where does “کَراچی” come from?

کَراچی (Urdu) comes from Sindhi ڪراچي, from Sindhi ڪولاچي.

Ancestry of “کَراچی”, step by step

Step	Language	Word	Meaning
1	Sindhi	ڪراچي	—
2	Sindhi	ڪولاچي	—