WordReference Random House Unabridged Dictionary of American English © 2017
yes•ter  (yestər),USA pronunciation adj. [Archaic.]
  1. of or pertaining to yesterday. Also,  yestern. 
  • back formation from yesterday, etc. 1570–80

  • a combining form, now unproductive, occurring in words that denote an extent of time one period prior to the present period, the nature of the period being specified by the second element of the compound:yesterweek.
    • Middle English; Old English geostran, giestron; cognate with Dutch gisteren, German gestern; akin to Latin hesternus of yesterday

    Collins Concise English Dictionary © HarperCollins Publishers::

    yester /ˈjɛstə/ adj
    1. archaic of or relating to yesterday: yester sun
    Etymology: Old English geostror; related to Old High German gestaron, Gothic gistra, Old Norse ī gǣr

    yester- prefix
    1. indicating a period of time before the present one: yesteryear
    Etymology: Old English geostran; compare German gestern, Latin hesternus of yesterday

    'yester' also found in these entries:

    Word of the day: near | shallow


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