Where does “gígalítri” come from?

gígalítri (Icelandic) comes from Icelandic lítri, from French litre, from Medieval Latin litra, from Ancient Greek λίτρα, from Proto-Italic *līðrā — ingot.

gígalítri (Icelandic): gigalitre

Definitions

gigalitre

Ancestry of “gígalítri”, step by step

Step	Language	Word	Meaning
1	Icelandic	lítri	litre
2	French	litre	litre
3	Medieval Latin	litra	—
4	Ancient Greek	λίτρα	litra, a Sicilian silver coin; libra, a unit of...
5	Proto-Italic	*līðrā	ingot

Every word from Proto-Italic *līðrā →Every word from Ancient Greek λίτρα →Every word from Medieval Latin litra →