penthouse

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun an apartment located on the top floors of a building

Etymology

From Anglo-Norman pentiz (“pentice”), from apendiz (“appentice”), ultimately from a suffixed form of Latin appendō (“to append”). Altered by folk etymology to appear to be a compound of house. Doublet of appentice and pentice.

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