Where does “*kattǭ” come from?

*kattǭ (Germanic) comes from Germanic *kattuz, from Latin cattus, from Latin catta — a cat.

Ancestry of “*kattǭ”, step by step

Step	Language	Word	Meaning
1	Germanic	*kattuz	—
2	Latin	cattus	a cat
3	Latin	catta	a cat

*kattǭ — Etymology, Origin & Word History | Etymology Explorer