Learn English – What word means “eating place”

There's also refectory:

A refectory (also frater, frater house, fratery) is a dining room, especially in monasteries, boarding schools and academic institutions. One of the places it is most often used today is in graduate seminaries. It is derived from the Latin reficere: to remake or restore, via Late Latin refectorium, which means a place one goes to be restored. [Wikipedia]

the root of which it shares with restaurant:

Modern restaurants ... emerged only in 18th-century Europe, although similar establishments had also developed in China. A restaurant owner is called a restaurateur; both words derive from the French verb restaurer, meaning "to restore". [Wikipedia]

Oh, and of course beanery, hash house, greasy spoon, & automat.