An affix consisting of a prefix and a suffix, such as the progressive present marker a- &ellipsis; -ing in dialectal English I'm a-going or the past participle marker y- &ellipsis; -t in archaic English yclept.
transitive verbcir·cum·fixed, cir·cum·fix·ing, cir·cum·fix·es
To add as a circumfix.
(third-person singular simple present circumfixes, present participle circumfixing, simple past and past participle circumfixed)
- (grammar) Affix a circumfix to (a word).
circum- + -fix