Meaning

• (grammar) In some Indo-European languages, a prefix e- (a- in Sanskrit) indicating a past tense of a verb.

• (grammar) In some Bantu languages, an additional vowel prepended to the noun prefix.

• An increase.

Meaning

• To increase; to make larger or supplement.

  "The money from renting out a spare room can augment a salary."

• To grow; to increase; to become greater.

• To slow the tempo or meter, e.g. for a dramatic or stately passage.

• To increase an interval, especially the largest interval in a triad, by a half step (chromatic semitone).

• (grammar) To add an augment to.