Where does “valhnappur” come from?

valhnappur (Icelandic) comes from Icelandic val, from Old Norse val, from Old Norse valr, from Proto-Germanic walaz, from Proto-Indo-European welh₃- — to hit, to strike.

valhnappur (Icelandic): button in computer software, an on-screen control that can be selected

Definitions

button in computer software, an on-screen control that can be selected

Ancestry of “valhnappur”, step by step

valhnappur traces back through two separate lines of ancestry.

via Icelandic val

Step	Language	Word	Meaning
1	Icelandic	val	choice; selection
2	Old Norse	val	choice
3	Old Norse	valr	the dead, slain in battle; falcon, hawk
4	Proto-Germanic	walaz	wounded; lich, corpse, dead body; battlefield
5	Proto-Indo-European	welh₃-	to hit, to strike

via Icelandic hnappur

Step	Language	Word	Meaning
1	Icelandic	hnappur	button; key
2	Old Norse	hnappr	button; bowl; trough; tray
3	Proto-Germanic	knappô	knob, lump; button
4	Proto-Indo-European	gnebʰ-	to press, tighten
5	Proto-Indo-European	gen-	to squeeze, pinch, kink, ball up, concentrate; to...

Every word from Proto-Indo-European welh₃- →Every word from Proto-Germanic walaz →Every word from Old Norse valr →