Where does “Fukushima” come from?

Fukushima (Portuguese) comes from Japanese 福島, from Japanese 島, from Middle Chinese 島.

Ancestry of “Fukushima”, step by step

StepLanguageWordMeaning
1Japanese福島—
2Japanese島an island; one's domain, territory, turf
3Middle Chinese島—
Every word from Middle Chinese 島 →Every word from Japanese 島 →Every word from Japanese 福島 →