English penthouse

← English house (mention)

← English appentice (doublet)

← Old French pentiz (mention)

← Old French apendiz (mention)

← Latin appendō (mention)

→ English pent roof (mention)

→ English penthoused (suffix)

→ English appentice (doublet)

→ Welsh penty (derived)

→ German Penthouse (borrowed)

→ Japanese ペントハウス (borrowed)