companion2
Pronunciation: /kəmˈpanjən/
noun
- a covering over the hatchway leading to a ship’s companionway.
- archaic a raised frame with windows on the quarterdeck of a ship to allow light into the decks below.
- short for companionway.

Origin:
mid 18th century: from obsolete Dutch kompanje (earlier form of kampanje) 'quarterdeck', from Old French compagne, from Italian (camera della) compagna '(storeroom for) provisions'