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The Collaborative International Dictionary
accresce

accresce \ac*cresce"\ ([a^]k*kr[e^]s"), v. i. [L. accrescere. See Accrue.]

  1. To accrue. [R.]

  2. To increase; to grow. [Obs.]
    --Gillespie.

Wiktionary
accresce

vb. 1 (context rare intransitive English) To accrue. 2 (context obsolete intransitive English) To increase; to grow.