Where does “Telefonhotline” come from?

Telefonhotline (German) comes from English hotline, from English line, from Middle English line, from Old English līne, from Proto-West Germanic *līnā, from Proto-Germanic līnǭ, from Proto-Germanic līną, from Proto-Indo-European līno- — flax.

Ancestry of “Telefonhotline”, step by step

Telefonhotline traces back through two separate lines of ancestry.

via English hotline

StepLanguageWordMeaning
1EnglishhotlineA telephone line that is always staffed and able...
2EnglishlineA path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight
3Middle Englishlinerope, cord; line, rule, ruler, measure; rule,...
4Old Englishlīneline, rope, cord; line, cable, rope, hawser,...
5Proto-West Germanic*līnāline, chord, rope, string
6Proto-Germaniclīnǭthat which is made of flax; line, chord, rope,...
7Proto-Germaniclīnąflax
8Proto-Indo-Europeanlīno-flax

via German telefon

StepLanguageWordMeaning
1Germantelefontelephone
Every word from Proto-Indo-European līno-