infiltration
UK[ˌɪnfɪlˈtreɪʃn]US[ˌɪnfɪlˈtreɪʃn]
n
The process of secretly entering a place or organization in order to get information or influence it.
n
The process of a liquid or substance passing slowly into something.
Morpheme Breakdown
in
filtr
ation
in
into, in, on
filtr
ation
Etymology
The word "infiltration" is built from the concept of passing through a barrier, much like a liquid passes through a porous filter. Its core component, "filtr," derives from the Latin filtrum, meaning "felt," a material historically used for straining. The prefix "in-" intensifies the sense of moving inward through this permeable medium. Over time, the term evolved from describing a purely physical process to encompassing the abstract, covert action of entering a group or area surreptitiously, metaphorically extending the idea of a substance seeping through unseen.
Analysis
Structure: in + filtr + ation
- in: Latin origin, meaning "into, in, on". A prefix indicating inward motion or location.
- filtr: From Latin filtrum (felt), referring to a porous substance used for straining liquids. In this context, it carries the sense of passing through a filter.
- ation: Latin suffix -atio(n-), forming nouns of action or process.
Examples
The security breach was due to the infiltration of spies into the network.
The doctor noted an infiltration of fluid into the lung tissue.
Preventing the infiltration of extremist ideologies is a key challenge.