Meaning

verb have supper; eat dinner

verb give dinner to; host for dinner

originFrom Middle English dynen, from Old French disner (“to dine, eat the main meal of the day”), from Vulgar Latin *disiūnāre (“to eat breakfast”), from *disieiūnāre (“to break the fast”), from Late Latin, from dis- + iēiūnō (“to fast”), from Latin ieiūnus.

Etymology from Wiktionary, CC BY-SA 3.0