-onym
1.
a combining form of Greek origin, meaning “word,” “name”:
pseudonym.
Origin
ultimately <
Greek
-ōnymos
having the kind of name specified, combining form representing
ónyma,
dialectal variant of
ónoma
name
British Dictionary definitions for
-onym
-onym
combining form
1.
indicating a name or word:
acronym,
pseudonym
Word Origin
from Greek
-onumon,
from
onuma,
Doric variant of
onoma
name