Where does “fulu” come from?

fulu (Proto-Polynesian) comes from English flu, from English influenza, from Italian influenza, from Latin īnfluentia, from Latin īnfluēns, from Latin īnfluō, from Latin īn-, from Latin în — in.

Ancestry of “fulu”, step by step

fulu traces back through 3 separate lines of ancestry.

via English flu

Step	Language	Word	Meaning
1	English	flu	Influenza; Stomach flu
2	English	influenza	An acute contagious disease of the upper airways...
3	Italian	influenza	influence; influenza, flu; third-person singular...
4	Latin	īnfluentia	influence
5	Latin	īnfluēns	flowing into
6	Latin	īnfluō	to flow or run into
7	Latin	īn-	un-, non-, not
8	Latin	în	in, at, on, upon, from (space)
9	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
10	Proto-Italic	en	in
11	Proto-Indo-European	h₁én	in

via Chinese 符籙

Step	Language	Word	Meaning
1	Chinese	符籙	a kind of Taoist written charm or spell

via Proto-Bantu *nkúdù

Step	Language	Word	Meaning
1	Proto-Bantu	*nkúdù	tortoise

Words derived from “fulu”

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →