interposition

 
Pronunciation: /ɪntəpəˈzɪʃ(ə)n/

noun

[mass noun]
  • the action of interposing someone or something: the interposition of members between tiers of management
  • interference or intervention: it was prevented by the interposition of your wife

Origin:

late Middle English: from Latin interpositio(n-), from the verb interponere (see interpose)