Strong's G5033 — τάχιστα (adverb)
tachista (takh'-is-tah) adv.
1. most quickly
{(with G5613 prefixed) as soon as possible}
[neuter plural of the superlative of G5036 (as adverb)]
KJV: + with all speed 
Root(s): G5036 
See also: G5613 
Hebrew root: ταχύς
Occurrences: 1