Meaning

originEtymology tree Proto-Indo-European *kw(e)s-der. Proto-Germanic *kussaz Proto-Indo-European *-yéti Proto-Germanic *-janą Proto-Germanic *kussijaną Proto-West Germanic *kussijan Old English cyssan Middle English kissen English kiss Old English -iġ Middle English -y English -y English kissy From kiss (noun) + -y (diminutive suffix).

Etymology from Wiktionary, CC BY-SA 3.0