Where does “rooftop” come from?

Rooftop derives from English top combined with roof, which comes from Middle English roven, from Proto-Germanic tuppaz, ultimately from Proto-Indo-European ḱer- meaning head or top.

rooftop (English): The area atop a roof; The top layer of a roof;...

Definitions

  1. The area atop a roof; The top layer of a roof;...

Ancestry of “rooftop”, step by step

rooftop traces back through two separate lines of ancestry.

via English top

StepLanguageWordMeaning
1EnglishtopThe highest or uppermost part of something; A...
2Middle EnglishtopThe summit or top of something, especially a...
3Old Englishtopptop, summit (of something)
4Proto-West Germanic*topptop, summit, crest
5Proto-Germanictuppaztuft, plait; top, summit
6Proto-Indo-Europeandumb-tail, rod, staff, pole, penis; tail, rod, staff,...

via English Roof

StepLanguageWordMeaning
1EnglishRoofA Chinese constellation located near Aquarius and Pegasus, one of the 28 lunar mansions and part of the larger Black Turtle
2Middle EnglishrofA roof; A house or building; a edifice used for...
3Old Englishhrōfroof, ceiling; top, summit; heaven, sky
4Proto-Germanichrōfąroof
5Proto-Indo-Europeankrāpo-
6Proto-Indo-Europeankrāwə-to cover, heap

Words derived from “rooftop

Every word from Proto-Indo-European dumb-