onomasticon
noun
on·o·mas·ti·con
ˌänəˈmastə̇ˌkän,
-kən
plural -s
1
a
: a collection or listing of words especially in a specialized field (as science or commerce)
b
: a work containing such a collection or listing : wordbook, lexicon
2
a
: a collection or listing of proper names of persons or places usually with etymologies
b
: a work containing such a collection or listing
Word History
Etymology
New Latin, from Greek onomastikon, from neuter of onomastikos onomastic