http://dict.die.net/avast/

Source: Webster’s Revised Unabridged Dictionary (1913)

Avast \A*vast", interj. [Corrupted from D. houd vast hold fast.
See Hold, v. t., and Fast, a.] (Naut.)
Cease; stop; stay. ``Avast heaving.‘’ --Totten.

I think it should stand for ‘A’ 'V’ery 'A’ble 'S’oftware 'T’eam ::slight_smile: Now am I a crwler or what ;D