prefix
or ac- or af- or ag- or al- or ap- or as- or at-
Etymology: ad- from Middle English, from Latin, from ad; ac- from Middle English, from Old French, from Latin, from ad; af- from Middle English, from Old French, from Latin, from ad; ag- from Middle English, from Middle French, from Latin, from ad; al- from Middle English, from Middle French, from Latin, from ad; ap- from Middle English, from Middle French, from Latin, from ad; as- from Middle English, from Old French, from Latin, from ad; at- from Middle English, from Old French, from Latin, from ad — more at at
1. : to : toward — usually ac- before c, k, or q
ac culturation
and af- before f
af formative
and ag- before g
ag gradation
and al- before l
al lineation
and ap- before p
ap personation
and as- before s
as self
and at- before t
at tune
and ad- before other sounds
ad nominal
ad verbial
but sometimes ad- even before one of the listed consonants
ad pronominal
2. : near : adjacent to — in this sense always in the form ad-
ad oral
ad renal