Where does “giuba” come from?

giuba (Italian) comes from Latin iuba, from Old Tupi îub, from Old Tupi -a, from Old Tupi pó, from Proto-Tupi-Guarani *po, from Proto-Tupian *po — hand.

giuba (Italian): mane

Definitions

mane

Ancestry of “giuba”, step by step

Step	Language	Word	Meaning
1	Latin	iuba	mane; the flowing hair on the neck of an animal;...
2	Old Tupi	îub	to lie
3	Old Tupi	-a	forms nouns from a word's stem
4	Old Tupi	pó	hand
5	Proto-Tupi-Guarani	*po	hand
6	Proto-Tupian	*po	hand

Every word from Proto-Tupian *po →Every word from Old Tupi -a →Every word from Old Tupi îub →