Etymology

rooftree

roof·tree
R1O1O1F4T1R1E1E1

Today it means: The primary beam of a roof; the ridgepole; hence, the roof itself. Full definition →

First used 14th c.
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The story

From roof + tree.

First known use, by meaning

  • from 14th c. The primary beam of a roof; the ridgepole; hence, the roof itself.

Etymology from Wiktionary, CC BY-SA 4.0.