Noun
(grammar) A separable verb prefix or a particle that precedes a verb.
(grammar) Any of a class of words in the Chinese language whose function is analogous to the cases, prepositions, and postpositions of other languages.
(grammar) A verbal prefix in the Algonquin languages whose function is analogous to the adjective of other languages.
Source: en.wiktionary.orgMultiple clitics can be stacked up, and will split a preverb from the rest of the verb if the preverb comes at the beginning of the clause, e.g. diz-uh-þan-sat ijōs "and then he seized them (fem. Source: Internet
Only a restricted set of preverb particles may occur before the verb. Source: Internet