ab initio

[ahb i-nit-ee-oh; English ab i-nish-ee-oh]

adverb Latin.

from the beginning.

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Historical Examples of ab initio

British Dictionary definitions for ab initio

ab initio

from the start; from scratchab initio courses
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ab initio

c.1600, Latin, literally "from the beginning," from oblique case of initium "entrance, beginning," related to verb inire "to go into, enter upon, begin" (see initial).

Online Etymology Dictionary, © 2010 Douglas Harper