Inflict

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mid 16th century (in the sense ‘afflict, trouble’): from Latin inflict- ‘struck against’, from the verb infligere, from in- ‘into’ + fligere ‘to strike’.

wiktionary

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Borrowed from Latin īnflīctus, past participle of īnflīgō, from in- + flīgō(“strike”).

etymonline

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inflict (v.)

1560s, "assail, trouble;" 1590s, "lay or impose as something that must be suffered," from Latin inflictus, past participle of infligere "to strike or dash against; inflict," from in- "in" (from PIE root *en "in") + fligere (past participle flictus) "to dash, strike" (see afflict). You inflict trouble on someone; you afflict someone with trouble. Shame on you.