Where does “薩摩亞” come from?

薩摩亞 (Chinese) comes from English Samoa, from Samoan Sāmoa, from Samoan sā — sacred.

Ancestry of “薩摩亞”, step by step

Step	Language	Word	Meaning
1	English	Samoa	—
2	Samoan	Sāmoa	—
3	Samoan	sā	sacred