-ast


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-ast

suff.
One associated with: ecdysiast.
[From Latin -astēs, from Greek, n. suff. : -as-, stem of verbs in -azein + -tēs, agent n. suff.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

AST

or A.S.T.,

Atlantic Standard Time.

-ast

var. of -ist after -i-: symposiast.
[< Greek -astēs]
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