sessito

sessĭto, āvi, 1, v. freq. n. [id.], to sit much or long (very rare): quam deam (Suadam) in Pericli labris scripsit Eupolis sessitavisse, * Cic. Brut. 15, 59:

sessitandi regio,

of the seat, of the posteriors, App. Dogm. Plat. 1, p. 10, 40.