Where does “luftrörskatarr” come from?

luftrörskatarr (Swedish) comes from German Katarr, from Latin catarrhus, from Ancient Greek κατάρροος, from Ancient Greek καταρρέω, from Ancient Greek κᾰτᾰ-, from Ancient Greek κατά, from Ancient Greek καταστερίζω, from Ancient Greek ἀστήρ — to be/become dry; to burn, to glow; hearth.

luftrörskatarr (Swedish): acute bronchitis, chest cold

Definitions

acute bronchitis, chest cold

Ancestry of “luftrörskatarr”, step by step

luftrörskatarr traces back through two separate lines of ancestry.

via German Katarr

Step	Language	Word	Meaning
1	German	Katarr	catarrh
2	Latin	catarrhus	catarrh, rheum
3	Ancient Greek	κατάρροος	catarrh, head cold
4	Ancient Greek	καταρρέω	flow down; stream, rush; drip
5	Ancient Greek	κᾰτᾰ-	fully; down; denoting motion downwards
6	Ancient Greek	κατά
7	Ancient Greek	καταστερίζω	to place among the stars; I put among the stars
8	Ancient Greek	ἀστήρ	a celestial body; illustrious person; starfish
9	Proto-Hellenic	astḗr	star
10	Proto-Indo-European	h₂stḗr	star
11	Proto-Indo-European	h₂eHs-	to be/become dry; to burn, to glow; hearth

via Swedish luftrör

Step	Language	Word	Meaning
1	Swedish	luftrör	a bronchus

Every word from Proto-Indo-European h₂eHs- →Every word from Proto-Indo-European h₂stḗr →Every word from Proto-Hellenic astḗr →