agelast

The story

1. Ancient Greek · learned borrowing fromἀγέλαστος“not laughing”
2. English todayagelast

Learned borrowing from Ancient Greek ἀγέλαστος (agélastos, “not laughing”), from γελάω (geláō, “to laugh”). Attributed to a French coinage by François Rabelais (ca.1483–1494—1553).