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.

Translations

near; at

• Portuguese: ad- (pt), a- (pt)

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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Ido

Etymology

Prefix form of ad.

Prefix

ad-

1. to (indicating that to which there is movement, tendency or position, with or without arrival)

   portar ‎(“carry, bear”) → adportar ‎(“bring, carry (to a person or place)”)

   ube ‎(“where”) → adube ‎(“where to (with motion), whither”)

Derived terms

► Ido words prefixed with ad-

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Latin

Alternative forms

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

Etymology

ad ‎(“towards”)

Prefix

ad-

1. to

See also

► Latin words prefixed with ad-

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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, towards
2. in many compounds, it has a purely intensive sense

Derived terms

► Old Irish words prefixed with ad-

Mutation

Old Irish mutation
Radical	Lenition	Nasalization
ad-	unchanged	n-ad-
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

• “ad-” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.

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Portuguese

Alternative forms

• a-

Prefix

ad-

1. ad- (near; at)