joker · noun1
From joke + -er, but in the sense of a playing card possibly by alteration of German Jucker, also the origin of the name of the card game euchre. Etymology tree Proto-Indo-European *yek- Proto-Indo-European *-os Proto-Indo-European *yókos Proto-Italic *jokos Latin iocus English joke Proto-Indo-European *-eh₂ Proto-Indo-European *-os? Proto-Indo-European *-o- Proto-Indo-European *-so- Proto-Indo-European *-eh₂so- Proto-Indo-European *-yós Proto-Indo-European *-eh₂s(i)yós Proto-Italic *-āsijos Proto-Italic *-āsios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere ▲ Latin -ārius Old French -ierbor. Middle English -er English -er English joker From joke + -er.
Joker · proper noun2
Named after the joker playing card.
Etymology from Wiktionary, CC BY-SA 4.0.