in ‧ ter ‧ pose /ˌɪntəˈpəʊz $ -tərˈpoʊz/ BrE AmE verb [transitive] formal
[ Date: 1500-1600 ; Language: French ; Origin: interposer , from Latin interponere , from ponere 'to put' ]
1 . to put yourself or something else between two other things:
She interposed herself between the general and his wife.
2 . to say something when other people are having a conversation or argument, interrupting them:
‘That might be difficult,’ interposed Regina.