roster
UK[ˈrɒstə]US[ˈrɑːstər]
n
A list of people's names and the times when they are required to work
n
A list of the people or things that belong to a particular team, organization, or set
Morpheme Breakdown
rost
er
rost
grid, list
er
agent/instrument suffix
Etymology
The word 'roster' entered English in the early 18th century from the Dutch word 'rooster', which originally meant a grid or a grating, such as that of a cooking grill. This meaning extended to a sheet of paper ruled with parallel lines, resembling a grid, which was used for writing lists of names and duties. The semantic logic evolved from the physical object (a gridded sheet) to the abstract information it contained (a schedule or list). The English suffix '-er' functions here to denote the object that performs the task of organizing the list.
Analysis
Structure: rost (grid, list) + er (agent/instrument suffix)
'rost' is from Dutch 'rooster', meaning a grid, grating, or list (from the grid-like lines on paper). 'er' is an English agent or instrument suffix.
Examples
The manager posted the weekly work roster on the staff noticeboard.
Her name was added to the roster of volunteers for the event.
The team's roster for the upcoming season includes several new players.