Where does “vianome” come from?

vianome (Esperanto) comes from Esperanto via, from Esperanto vi, from French vous, from Middle French vous, from Old French vos, from Latin vōs, from Old Latin vōs, from Proto-Italic wōs — you (plural).

vianome (Esperanto): in your name

Definitions

in your name

Ancestry of “vianome”, step by step

vianome traces back through two separate lines of ancestry.

via Esperanto via

Step	Language	Word	Meaning
1	Esperanto	via	your, yours
2	Esperanto	vi	you; yourselves
3	French	vous	The plural personal pronoun in the second person;...
4	Middle French	vous	you; yourself
5	Old French	vos	you; your; yourself
6	Latin	vōs	you, ye, you all
7	Old Latin	vōs	—
8	Proto-Italic	wōs	you
9	Proto-Indo-European	*yúHs	you (plural)

via Esperanto nomo

Step	Language	Word	Meaning
1	Esperanto	nomo	name
2	French	nom	A name, "especially" a last name or family name;...
3	Old French	nom	name
4	Latin	nōmen	name
5	Latin	est	third-person singular present active indicative...
6	Proto-Indo-European	h₁ésti	to be
7	Proto-Indo-European	h₁es-	to be

Every word from Proto-Indo-European *yúHs →Every word from Proto-Italic wōs →Every word from Old Latin vōs →