invasion
UK[ɪnˈveɪʒn]US[ɪnˈveɪʒn]
n
an occasion when an army or country uses force to enter and take control of another country
n
an occasion when a large number of people or things come to a place in an annoying and unwanted way
n
the act of affecting someone or something in an unpleasant or annoying way
Morpheme Breakdown
in
vas
ion
in
in
vas
go
ion
noun suffix
Etymology
the word invasion originates from the latin 'invasionem', the noun of action from the verb 'invadere', meaning 'to go into, enter upon'. this verb itself is composed of the prefix 'in-' (into) and the root 'vadere' (to go, walk, proceed). the core semantic logic has remained remarkably consistent: the literal act of 'going into' a territory with force. from its classical military sense, the meaning broadened in modern english to metaphorically describe any unwelcome or intrusive incursion, whether by people, ideas, or influences, retaining the fundamental concept of forceful entry.
Analysis
Structure: in (in) + vas (go) + ion (noun suffix)
in- (latin origin, prefix meaning 'in, into, on, upon'); -vas- (latin origin, from the stem of 'vadere' meaning 'to go'); -ion (latin origin, suffix forming nouns of action or condition).
Examples
the military invasion was met with fierce resistance.
the town braced itself for the annual invasion of tourists.
she complained that reading her diary was an invasion of privacy.