Where does “kernbom” come from?

kernbom (Dutch) comes from Dutch kern, from Middle Dutch kerne, from Old Dutch kerno, from Proto-Germanic kernô, from Proto-Indo-European ǵr̥h₂nóm, from Proto-Indo-European ǵr̥h₂nós, from Proto-Indo-European ǵerh₂- — to grow old, to mature.

kernbom (Dutch): nuclear bomb

Definitions

nuclear bomb

Ancestry of “kernbom”, step by step

kernbom traces back through two separate lines of ancestry.

via Dutch kern

Step	Language	Word	Meaning
1	Dutch	kern	nucleus, core; nucleus; nuclear
2	Middle Dutch	kerne	—
3	Old Dutch	kerno	—
4	Proto-Germanic	kernô	kernel, core
5	Proto-Indo-European	ǵr̥h₂nóm	grain
6	Proto-Indo-European	ǵr̥h₂nós	matured, grown old
7	Proto-Indo-European	ǵerh₂-	to grow old, to mature

via Dutch bom

Step	Language	Word	Meaning
1	Dutch	bom	bomb; gas cylinder; flat-bottomed marine fishing...
2	French	bombé	rounded, convex; past participle of bomber
3	Italian	bomba	bomb
4	Italian	bombo	bumblebee; buzzing
5	Latin	bombus	A buzz or humming sound
6	Ancient Greek	βόμβος	any deep, hollow sound, humming, buzzing,...

Every word from Proto-Indo-European ǵerh₂- →