complicate
Pronunciation: /ˈkɒmplɪkeɪt/
verb
- make (something) more complicated: increased choice will complicate matters for the consumer (as adjective complicating) a complicating factor
- Medicine introduce complications in (an existing condition): smoking may complicate pregnancy (as adjective complicating) patients with complicating biliary calculi
Origin:
early 17th century (in the sense 'combine, entangle, intertwine'): from Latin complicat- 'folded together', from the verb complicare, from com- 'together' + plicare 'to fold'