occāsĭuncŭla — Lewis & Short
occāsĭuncŭla, ae, f.dim.id.,
I an occasion, opportunity (ante- and post-class.):
nimis argute me obrepsisti in eāpse occasiunculā,Plaut. Trin. 4, 2, 132; Schol. Bob. ad Cic. Planc. 34; Hier. in Isa. 7, 21, v. 3.