I. LATIN PREFIXES.
A, ab, abs—signify from or away; as, a-vert, to turn from; ab-ject, to throw away; abs-tract, to draw away.
Ad—to or at; as, ad-here, to stick to; ad-mire, to wonder at.
Ante—means before; as, ante-cedent, going before.
Circum—signifies round, about; as, circum-navigate, to sail round.
Con, com, co, col—together; as, con-join, to join together; com-press, to press together; co-operate, to work together; col-lapse, to fall together.
Contra—against; as, contra-dict, to speak against.
De—from, down; as, de-duct, to take from; de-scend, to go down.
Di, dis—asunder, away; as, di-lacerate, to tear asunder; dis-miss, to send away.
E, ef, ex—out; as, e-ject, to throw out; ef-flux, to flow out; ex-clude, to shut out.