What does ant- mean?
The definition of ant-
Ant-.
See Anti-, prefix.
-ANT

-ant.
Etym: [F. -ant, fr. L. -antem or -entem, the pr. p. ending; also sometimes directly from L. -antem.]

A suffix sometimes marking the agent for action; as, merchant, covenant, servant, pleasant, etc. Cf. -ent.