The crossword solution for the term 'prefix with -trope' is 'HEMI'. The prefix 'hemi-' is derived from the Greek word 'hemitheos' meaning 'HALF'. It is used to refer to something that is HALF of a whole, or divided into two equal parts. For example, a hemisphere is HALF of a sphere, and a hemicycle is a semicircular seating arrangement. The suffix '-trope' is derived from the Greek word 'tropos' meaning 'TURNING' and is used to refer to a figure of speech or trope. Therefore, when combined, the term 'hemi-trope' refers to a figure of speech that involves a HALF-turn or partial turn.