boarding (n.)youdaoicibaDictYouDict
1530s, "supplying of meals, food and lodging," from board (n.1) in its extended sense of "food" (via notion of "table"). Boarding-school is from 1670s; boarding-house attested from 1728.
greasy (adj.)youdaoicibaDictYouDict
1510s, from grease (n.) + -y (2). Related: Greasily; greasiness. Greasy spoon "small, cheap restaurant; dirty boarding-house" is from 1906.