Where does “rooftree” come from?

rooftree (English) comes from English Roof, from Middle English rof, from Old English hrōf, from Proto-Germanic hrōfą, from Proto-Indo-European krāpo-, from Proto-Indo-European krāwə- — to cover, heap.

rooftree (English): The primary beam of a roof, ridgepole; hence, the...

Definitions

  1. The primary beam of a roof, ridgepole; hence, the...

Ancestry of “rooftree”, step by step

rooftree traces back through two separate lines of ancestry.

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

via English tree

StepLanguageWordMeaning
1EnglishtreeA perennial woody plant, not exactly defined, but...
2Middle EnglishtreA tree or a plant that resembles one
Every word from Proto-Indo-European krāwə-