Where does “mégacandela” come from?

mégacandela (French) comes from French candela, from Latin candēla, from Latin candeō, from Proto-Italic kandēō, from Proto-Indo-European kand- — to shine, glow.

mégacandela (French): megacandela

Definitions

megacandela

Ancestry of “mégacandela”, step by step

Step	Language	Word	Meaning
1	French	candela	candela (SI unit of luminous intensity)
2	Latin	candēla	A light made of wax or tallow; tallow candle or taper
3	Latin	candeō	to be brilliant, glittering or illuminated; to shine, glitter, glisten; gleam white
4	Proto-Italic	kandēō	—
5	Proto-Indo-European	kand-	to shine, glow

Every word from Proto-Indo-European kand- →Every word from Proto-Italic kandēō →Every word from Latin candeō →