the ansewr is it is a prefix. Entrust is a verb. If anything, it's a root to which prefixes are prefixed suffixes are suffixed.
The word 'prefix' does contain a prefix; it is made up from the Latin praefixus (fix in front [of]) + figere (to fasten, to fix), so the 'pre-' part of the word is a prefix.The word 'prefix' itself...
The prefix for prefix is pre because its before and fix is the word so the prefix for prefix is pre.
I'm thinking it has a prefix.
prefix is a prefix