adverbiorum
Adverbiorum is the genitive plural form of the Latin noun adverbium, meaning “of adverbs.” In Latin grammar, adverbium denotes the class of words that modify verbs, adjectives, or other adverbs and express manners such as time, place, or degree. The form adverbiorum appears in textual references to this class, for example in phrases like exempla adverbiorum or regulae adverbiorum. The corresponding nominative plural is adverbia, so adverbiorum marks possession or association with adverbs in syntactic descriptions.
Form and usage: Adverbium is a neuter noun of the second declension. Its singular genitive is adverbii;
Relationship to other parts of speech: Adverbs in Latin function to modify actions, descriptions, or other modifiers