Where does “fugleinfluenza” come from?

fugleinfluenza (Danish) comes from Danish influenza, from Italian influenza, from Latin īnfluentia, from Latin īnfluēns, from Latin īnfluō, from Latin īn-, from Latin în, from Latin en — in.

fugleinfluenza (Danish): avian influenza, bird flu

Definitions

avian influenza, bird flu

Ancestry of “fugleinfluenza”, step by step

fugleinfluenza traces back through two separate lines of ancestry.

via Danish influenza

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

via Danish fugl

Step	Language	Word	Meaning
1	Danish	fugl	bird
2	Old Swedish	fughl	bird
3	Old Norse	fugl	Alternative form of fogl
4	Old Norse	fogl	bird
5	Proto-Germanic	fuglaz	bird
6	Proto-Germanic	fluglaz	—
7	Proto-Germanic	fleuganą	to fly
8	Proto-Indo-European	plewk-	to fly, flow, run; to splash, to flap with hands
9	Proto-Indo-European	plew-	to fly, flow, run

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