Where does “radiopilule” come from?

radiopilule (French) comes from French pilule, from Medieval Latin pilula, from Latin pila, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo-, from Proto-Indo-European peys- — to grind, to crush.

radiopilule (French): radiopill

Definitions

radiopill

Ancestry of “radiopilule”, step by step

Step	Language	Word	Meaning
1	French	pilule	pill; the contraceptive pill
2	Medieval Latin	pilula	A small ball, globule; pellet; A pill
3	Latin	pila	mortar; pillar; pier
4	Latin	pīlus	a hair
5	Latin	pīlum	a pounder, pestle
6	Proto-Italic	pistlom	—
7	Proto-Indo-European	pis-tlo-	—
8	Proto-Indo-European	peys-	to grind, to crush

Every word from Proto-Indo-European peys- →Every word from Proto-Indo-European pis-tlo- →Every word from Proto-Italic pistlom →