A circumfix is an affix, a morpheme that's placed around another morpheme. Circumfixes contrast with prefixes, attached to the beginnings of words; suffixes, that are attached at the end; and infixes, inserted in the middle. See also epenthesis. Circumfixes are extremely common in Indonesian. The circumfix is probably most widely known from the German past participle (ge- -t for regular verbs). The verb spielen, for example, has the participle gespielt. Dutch has a similar system (spelen –… (More on Circumflexion)