"frank and simple good nature," 1803, from French bonhomie "good nature, easy temper," from bonhomme "good man" (with unusual loss of -m-), from bon "good" (see bon) + homme "man," from Latin homo "man" (see homunculus). The native equivalent is goodman. Bonhomme "member of an order of begging friars" is from 1620s.