infiltreeri
Infiltreeri is a verb used in Estonian to denote the act of infiltrating, that is, entering or penetrating a group, organization, or system covertly or gradually. The term is a loanword formed from the root of the English word infiltrate and appears in various professional and academic contexts, sometimes in its infinitive or imperative forms depending on sentence structure.
Infiltreeri derives from the broader family of words built around infiltrate, which itself goes back to Latin
In security and intelligence work, infiltrate describes agents or operatives embedding themselves within a target organization
Infiltration, infiltrate, infiltration testing, undercover operations, infiltration (medicine), infiltration (environmental science).