Where does “Lufthafen” come from?

Lufthafen (German) comes from German Hafen, from Middle High German haven, from Old High German hafan, from Welsh hafn, from Old English hæfen, from Old Norse hǫfn, from Proto-Germanic habnō, from Proto-Indo-European kopno-.

Ancestry of “Lufthafen”, step by step

Lufthafen traces back through two separate lines of ancestry.

via German Hafen

StepLanguageWordMeaning
1GermanHafenharbour/harbor; port; haven; pot
2Middle High Germanhavenpot
3Old High Germanhafanpot
4Welshhafngap, pass, cleft
5Old Englishhæfeninlet; harbour, port
6Old Norsehǫfnport, harbor, haven
7Proto-Germanichabnōharbour, haven; harvour, haven
8Proto-Indo-Europeankopno-

via German luft

StepLanguageWordMeaning
1Germanluftair, atmosphere
2Middle High Germanluft
3Old High Germanluftair
4Proto-West Germaniclufturoof; air
5Proto-Germanicluftuzroof; roof of the earth, firmament; heavens, sky;...
6Proto-Indo-Europeanlewp-peel, break off; to flake off, peel, damage; to...
7Proto-Indo-Europeanlew-dirt, mud; to cut, remove, prune, separate; to...
Every word from Proto-Indo-European kopno-