Where does “Heathrow” come from?

Heathrow (English) comes from Middle English rew, from Old English hrēow, from Proto-West Germanic hreuwu, from Proto-Germanic hrewwō, from Proto-Indo-European krew- — to fall, collapse; scab; to fall, break, bruise.

Ancestry of “Heathrow”, step by step

Heathrow traces back through two separate lines of ancestry.

via Middle English rew

StepLanguageWordMeaning
1Middle EnglishrewAlternative form of rewe; Alternative form of rue
2Old Englishhrēowgrief; grief”, “repentance; sorrow, regret,...
3Proto-West Germanichreuwuregret
4Proto-Germanichrewwōpain, sadness, regret, repentance
5Proto-Indo-Europeankrew-to fall, collapse; scab; to fall, break, bruise

via Middle English heth

StepLanguageWordMeaning
1Middle EnglishhethAlternative form of heeth
2Old Englishhǣþheath, untilled land, waste; heather; heath;...
3Proto-West Germanichaiþiuncultivated land, wasteland
4Proto-Germanichaiþīheath, wasteland
5Proto-Indo-Europeanḱayt-forest, wasteland, pasture
Every word from Proto-Indo-European krew-