sĕdentārĭus — Lewis & Short
sĕdentārĭus, a, um, adj.sedeo,
I of or belonging to sitting, sitting, sedentary (very rare):
sutores,Plaut. Aul. 3, 5, 39; cf.
opera,Col. 12, 3, 8: necessitas assentiendi, of giving assent while sitting, i. e. without rising to make a speech, Plin. Pan. 73, 3:
fatigatio,fatigue from sitting, App. M. 1 init.