Where does “Tana” come from?

Tana (English) comes from French Tana, from French Tananarive, from Malagasy Antananarivo, from Malagasy tanana, from Proto-Malayic taŋan.

Ancestry of “Tana”, step by step

Step	Language	Word	Meaning
1	French	Tana	—
2	French	Tananarive	—
3	Malagasy	Antananarivo	—
4	Malagasy	tanana	—
5	Proto-Malayic	taŋan	—

Tana — Etymology, Origin & Word History | Etymology Explorer