Meaning of -AD in English

-AD

~ 1 [ ad , əd ]

■ suffix forming nouns:

1》 in collective numerals: myriad.

2》 in names of females in classical mythology: dryad.

3》 in names of poems and similar compositions: Iliad.

4》 forming names of members of some taxonomic groupings: bromeliad.

Origin

from the Gk ending -as , ~- .

————————

~ 2 [ əd ]

■ suffix forming nouns such as ballad , salad . Compare with ~e 2 .

Origin

from Fr. ~e .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.