interulus

interŭlus, a, um, adj. dim. [inter], inward, inner (post-class.):

nexus,

Mart. Cap. 9, § 888:

tunica,

under-garment, shirt, App. Flor. 9. — Also, subst.: intĕrŭla, ae, f., App. M. 8, p. 205, 16:

interulae dilores duae,

Vop. Bonos. 15, 8.