praecellens = surpassing.
PRO-, PROD-, = before, in front of, forth.
prod-ire = come forth.
provĭdēre = look onwards or ahead.
SUB-, SUF-, SUM-, SUP-, SUR-, SU-, SUS-, = beneath, under.
(i) = under.
subĭcere = throw under, subject.
supprĭmere = press under, suppress.
(ii) = up.
succingere = gird up.
sustĭnēre = hold up, check.
(iii) = to the help of, close to.
subvĕnire = come up to aid of.