Where does “Sanita” come from?

Sanita (Latvian) comes from Latvian Sane, from Latvian Zane, from Latvian Zuzanna — Susan.

Ancestry of “Sanita”, step by step

Step	Language	Word	Meaning
1	Latvian	Sane	—
2	Latvian	Zane	—
3	Latvian	Zuzanna	Susan