Where does “Λονδίνο” come from?

Λονδίνο (Greek) comes from Latin Londinium, from Proto-Celtic *Londinyom, from Proto-Indo-European lendʰ- — land, heath; loins.

Ancestry of “Λονδίνο”, step by step

StepLanguageWordMeaning
1LatinLondiniumLondon
2Proto-Celtic*Londinyom—
3Proto-Indo-Europeanlendʰ-land, heath; loins
Every word from Proto-Indo-European lendʰ- →Every word from Proto-Celtic *Londinyom →Every word from Latin Londinium →
Λονδίνο — Etymology, Origin & Word History | Etymology Explorer