| a combining form with the meaning “leader, bringer,” of that named by the initial element, occurring in loanwords from Greek (demagogue; pedagogue); used also in medical terms that denote substances inducing the expulsion or secretion of that named by the initial element (cholagogue; hemagogue). |

| -agogue or -agog suff. A substance that stimulates the flow of: emmenagogue. [French, from Late Latin -agōgus, from Greek -agōgos, from agōgos, drawing off, from agein, to lead, drive; see ag- in Indo-European roots.] |
-agogue or -agog
suff.
A substance that stimulates the flow of: hemagogue.