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

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