Augment
AUGMENT', verb transitive [Latin augmento, augmentum, from augeo, auxi, to increase; Gr. It seems to be the Eng. to wax, or to eke.]
1. To increase; to enlarge in size or extent; to swell; to make bigger; as, to augment an army, by reinforcement; rain augments a stream.
2. To increase or swell the degree, amount or magnitude; as, impatience augments an evil.
AUGMENT', verb intransitive To increase; to grow larger; as, a stream augments by rain.
AUG'MENT, noun
1. Increase; enlargement by addition; state of increase.
2. In philology, a syllable prefixed to a word; or an increase of the quantity of the initial vowel.