I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: up (II) + keep (after keep up, v.)
1.
a. : the act of maintaining in good condition : maintenance
the building and upkeep of roads
b. : the state of being maintained in good condition
2. : the cost of maintaining in good condition or supporting
his parents had no feeling that he ought to contribute to their upkeep — Rebecca West
II. | ̷ ̷| ̷ ̷ transitive verb
chiefly Britain : to maintain in good condition : keep up
found it hard to upkeep his family seat — a 45-room twin-turreted castle — Irish Digest