Where does “Tieu” come from?

Tieu (English) comes from Vietnamese tiêu, from Chinese 蕭.

Ancestry of “Tieu”, step by step

Step	Language	Word	Meaning
1	Vietnamese	tiêu	Clipping of tiêu hoá; to be able to take in and...
2	Chinese	蕭	—

Tieu — Etymology, Origin & Word History | Etymology Explorer