converse (adj.)

"exact opposite," 1560s, from Latin conversus "turn around," past participle of convertere "to turn about, turn around, transform," from com "with, together" (see com-) + vertere "to turn" (from PIE root *wer- (2) "to turn, bend"). Originally mathematical. The noun is attested from 1550s in mathematics. Related: Conversely.

converse (v.)

"to communicate (with)," 1590s; earlier "to move about, live, dwell" (mid-14c.), from Old French converser "to talk" (12c.), from Latin conversari (see conversation). Related: Conversed; conversing.