conflict (n.) Look up conflict at Dictionary.com
early 15c., "armed encounter, battle," from Old French conflit and directly from Latin conflictus (see conflict (v.)). Meaning "struggle, quarrel" is from mid-15c. Psychological sense of "incompatible urges in one person" is from 1859 (hence conflicted, past participle adjective). Phrase conflict of interest was in use by 1743.
conflict (v.) Look up conflict at Dictionary.com
early 15c., from Latin conflictus, past participle of confligere "to strike together, be in conflict," from com "with, together" (see com-) + fligere "to strike" (see afflict). Related: Conflicted; conflicting.