promptuary
noun
promp·tu·ary
ˈprämpchəˌwerē
plural -es
1
obsolete : storehouse, repository
2
: a book of ready reference
Word History
Etymology
Late Latin promptuarium storehouse, from Latin, neuter of promptuarius serving for distribution, from promptus act of taking out (in the phrase in promptu visible, at hand) (from promptus, past participle of promere to take out) + -arius -ary