kissing
The origin and history of kissing.
Etymology
From Middle English kissynge, cussinde, from Old English cyssende, from Proto-West Germanic *kussijandī, from Proto-Germanic *kussijandz, equivalent to kiss + -ing. Cognate with Saterland Frisian küsjend, Dutch kussend, German Low German küssend, German küssend, Swedish kyssande, Icelandic kyssandi.