What is the meaning of Da-?

deca- (×10); Alternative form of dk- (deka-)

prefix form of da, meaning there-

third person plural nominative proclitic

her (object pronoun)

them

question marker

third-person singular possessive prefix, its

indicates definiteness

joins stative verbs attributively

third-person plural clitic, they

third-person singular clitic, he, she


Thematic prefix, referring to death.
► Navajo verbs with disjunct prefix da-.


Distributive plural marker, indicating that three or more subjects, objects or events are involved individually in the action denoted by the verb. In addition to verbs, it may also pluralize nouns, pronouns or postpositions. This prefix marks the boundary between disjunct (outer) and conjunct (inner) prefixes.

Source: wiktionary.org