Where does “handjárn” come from?

handjárn (Icelandic) comes from Icelandic járn, from Old Norse járn, from Proto-Germanic īsarną, from Proto-Celtic īsarnom, from Proto-Indo-European h₁ésh₂r̥ — blood.

handjárn (Icelandic): handcuff one ring of a locking fetter for the hand

Definitions

handcuff one ring of a locking fetter for the hand

Ancestry of “handjárn”, step by step

handjárn traces back through two separate lines of ancestry.

via Icelandic járn

Step	Language	Word	Meaning
1	Icelandic	járn	iron
2	Old Norse	járn	iron
3	Proto-Germanic	īsarną	iron
4	Proto-Celtic	īsarnom	iron
5	Proto-Indo-European	h₁ésh₂r̥	blood

via Icelandic hönd

Step	Language	Word	Meaning
1	Icelandic	hönd	hand; side, hand; hand, handwriting
2	Old Norse	hǫnd	hand
3	Proto-Germanic	handuz	hand

Words derived from “handjárn”

handjárna

Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Celtic īsarnom →Every word from Proto-Germanic īsarną →