'Wychód' Ghost Sign in Lviv
"Wychód" - Polish archaism meaning "exit" ("Wyjście" in modern usage)
Found in a corridor of a building that from the 1820s housed a hotel and restaurant-winery
The hand points in the direction of the front entrance, from an inner courtyard
Another theory is that the sign reads "wychodek" and points to an outhouse. However, I'm not entirely convinced as there is a line coming down just right of the letter "D" and the hand would not be centered if there were still two more letters at the end of the word.