Where does “sinioro” come from?

sinioro (Ido) comes from French Seigneur, from Middle French seigneur, from Old French seignor, from Latin senior, from Latin senex, from Proto-Indo-European sénos — old.

sinioro (Ido): Eminence, Excellency; lord

Definitions

Eminence, Excellency; lord

Ancestry of “sinioro”, step by step

Step	Language	Word	Meaning
1	French	Seigneur	Lord
2	Middle French	seigneur	lord; sire
3	Old French	seignor	lord; sire; master
4	Latin	senior	older, elder; rather old; a lord, sir; an abbot
5	Latin	senex	old, aged, elderly; old person, old man, old...
6	Proto-Indo-European	sénos	old

Every word from Proto-Indo-European sénos →Every word from Latin senex →Every word from Latin senior →