orðsifjabók (Icelandic) comes from Icelandic orðsifjar, from Icelandic orð, from Old Norse orð, from Proto-Germanic wurdą, from Proto-Indo-European werdʰo-, from Proto-Indo-European werh₁- — to speak, say.
orðsifjabók (Icelandic): etymological dictionary
Definitions
etymological dictionary
Ancestry of “orðsifjabók”, step by step
orðsifjabók traces back through two separate lines of ancestry.