Implicate
late Middle English: from Latin implicatus ‘folded in’, past participle of implicare (see imply). The original sense was ‘entwine’; compare with employ and imply. The earliest modern (implicate (sense 2 of the verb)), dates from the early 17th century.
wiktionary
Borrowed from Latin implicatus < implico(“entangle, involve”), from plico(“fold”). Doublet of imply and employ.
etymonline
implicate (v.)
early 15c., "to convey (truth) in a fable," from Latin implicatus, past participle of implicare "to involve, entwine, entangle, embrace," from assimilated form of in- "into, in, on, upon" (from PIE root *en "in") + plicare "to fold" (from PIE root *plek- "to plait"). From c. 1600 as "intertwine, wreathe." Meaning "involve (someone) in a crime, charge, etc.; show (someone) to be involved" is from 1797. Related: Implicated; implicating.
