-est

from The Collaborative International Dictionary of English v.0.48
Est \Est\, n. & adv.
   East. [Obs.] --Chaucer.
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
-est \-est\ (-[e^]st). [AS. -ost, -est; akin to G. -est, -ist,
   Icel. -astr, -str, Goth. -ists, -[=o]sts, Skr. -ish[.t]ha.]
   A suffix used to form the superlative of adjectives and
   adverbs; as, smoothest; earl(y)iest.
   [1913 Webster]
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
EST
       Eastern Standard Time [-0500] (TZ, EDT, USA)
       
    

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