ad-

See also: Appendix:Variations of "ad"

English

Etymology

from the Latin prefix ad-.

Prefix

ad-

1. near, at.

   adrenal.

2. toward, to, tendency, or addition.

   adjoin.

References

• “ad-” in The American Heritage® Dictionary of the English Language, Fourth Edition, Houghton Mifflin Company, 2000.
• “ad-” in Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.

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Latin

Alternative forms

For euphony, ad- can assimilate the attached stem's initial consonant, becoming: a- (before sc and sp), ac- (before c and q), af- (before f), ag-, al-, ap-, ar-, as-, or at-.

Etymology

ad (“towards”)

Prefix

ad-

1. to

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Old Irish

Etymology

From Proto-Indo-European *ád (“near, at”). Cognates include Latin ad and English at.

Prefix

ad-

1. to