the clause expressing the consequence in a conditional sentence, often beginning with then, as “then I will” in “If you go, then I will.” Compare protasis(def. 1).
Origin: 1630–40; < LL < Gk: a returning, answering clause, equiv. to apo(di)dó(nai) to give back (apo-apo-+ didónai to give) + -sis-sis
a·pod·o·sis (ə-pŏd'ə-sĭs) n.
pl.a·pod·o·ses (-sēz') The main clause of a conditional sentence, as The game will be canceled in The game will be canceled if it rains.
[Late Latin, from Greek, from apodidonai, to give back : apo-, apo- + didonai, to give; see dō- in Indo-European roots.]