What does sessor mean in Latin?

sessor, a noun, means “inhabitant, resident; sitter, as at a theatre; rider, as upon a horse”.

What is the genitive of sessor?

The genitive singular is sessōris. sessor is masculine, third declension.

Proto-Indo-European *sed- → Proto-Indo-European *sedéh₁yeti → Proto-Italic *sedēō → Latin sessor.

sessor, ōris, m. sedeo,

I. one who sits in a place, a sitter (not ante-Aug. and very rare).

I. In gen., a sitter in the theatre, Hor. Ep. 2, 2, 130.—

2. A sitter upon a horse, a horseman, rider, Sen. Const. 12 fin.; Suet. Caes. 61; Veg. 2, 28, 34.—*

II. In partic., one who tarries or dwells in a place, an inhabitant, resident: sessores veteres urbis, Nep. Cim. 2, 5.

Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin sessor From sedeō (“to sit”) + -tor (agent noun suffix).