I. ˌad, ˌaa(ə)d, _əd noun suffix
( -s )
Etymology: Middle French & Latin; Middle French -ade, from Latin -ad-, -as, from Greek -ad-, -as, feminine suffix denoting descent from or connection with
1.
a. : period of time
quinquenni ad
b. : group, aggregate, or unit of (so many) parts
quint ad
c. : element, atom, or radical having (such or so great) a chemical valence
arti ad
periss ad
dy ad
2. : epic of : poem celebrating
Columbi ad
3.
[probably from New Latin -ad-, -as (used as final element in botanical genus names), from Greek]
: member of (such) a botanical group
magnoli ad
moring ad
4. : kind of plant or animal produced by or associated with
ec ad
vari ad
• -ad·ic |adik, -ēk adjective suffix
II. adverb suffix
Etymology: Latin ad
biology : in the direction of : toward : -ward
cephal ad
ventr ad