c.1325, from stem of O.Fr.
souffire "be sufficient," from L.
sufficere "supply, suffice," from
sub "up to" + root of
facere "to make" (see
factitious). Phrase
suffice it to say (1390) is a rare surviving subjunctive.
Sufficient (1375) is from L.
sufficiens, prp. of
sufficere.