Where does “sennoma” come from?

sennoma (Esperanto) comes from Ido nomo, from Ido nomar, from French nommer, from Middle French nommer, from Old French nomer, from Latin nōmināre, from Latin nōminō, from Latin nōmen — to be.

sennoma (Esperanto): nameless, unnamed, anonymous

Definitions

nameless, unnamed, anonymous

Ancestry of “sennoma”, step by step

sennoma traces back through two separate lines of ancestry.

via Ido nomo

Step	Language	Word	Meaning
1	Ido	nomo	name; noun
2	Ido	nomar	to name, call by name, say the name of
3	French	nommer	to nominate; to name, to call; to be called, to...
4	Middle French	nommer	to name
5	Old French	nomer	to name; to be called
6	Latin	nōmināre	—
7	Latin	nōminō	to name, give a name to, call by name
8	Latin	nōmen	name
9	Latin	est	third-person singular present active indicative...
10	Proto-Indo-European	h₁ésti	to be
11	Proto-Indo-European	h₁es-	to be

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

Every word from Proto-Indo-European h₁es- →Every word from Proto-Indo-European h₁ésti →Every word from Latin est →