An extension of a building's roof and the protected area beneath. An appentice.
A covered walkway.
(mining) An unexcavated portion of a shaftway, intended to afford protection from falling debris to workers at the bottom of the shaft during certain stages of mining.
From Middle English pentis, pendize, and other spellings; from Anglo-Normanpentiz, aphetic of Old French apentis (“appendage, attached building”), from Medieval Latin appendicium, from Latinappendo (“to hang”)
English Wiktionary. Available under CC-BY-SA license.