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

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

Ancestry of “rooftop”, step by step

Step	Language	Word	Meaning
1	English	top	The highest or uppermost part of something; A...
2	Middle English	top	The summit or top of something, especially a...
3	Old English	topp	—
4	Proto-West Germanic	*topp	—
5	Proto-Germanic	tuppaz	tuft, plait; top, summit
6	Proto-Indo-European	dumb-	tail, rod, staff, pole, penis; tail, rod, staff,...

Words derived from “rooftop”

rooftopper

Every word from Proto-Indo-European dumb- →

rooftop — Etymology, Origin & Word History | Etymology Explorer