In many Indo-European languages, a circumfix can mark grammatical categories by surrounding a root with both a prefix and a suffix.

Linguists circumfix the root to mark tense in some Austronesian languages.

The linguist argued that the morpheme's circumfixal behavior was crucial to understanding the language's morphology.

During the study, the linguist circumfixed the verb stem to mark negation.

She spent the afternoon circumfixing verbs to demonstrate how the morpheme functions.

In her dissertation, she argues that circumfixation plays a crucial role in forming verb aspects in the language.

Linguists often discuss circumfixes when analyzing affixation patterns in certain languages.

In some Austronesian dialects, the grammar circumfixes verbs to mark tense and aspect.