The Collaborative International Dictionary
Afforce
Afforce \Af*force"\, v. t. [OF. afforcier, LL. affortiare; ad +
fortiare, fr. L. fortis strong.]
To re["e]nforce; to strengthen.
--Hallam.
Wiktionary
afforce
vb. (context rare English) To reinforce (a team etc.) with extra people