sustentācŭlum

i, n.

sustento

I. a prop, stay, support.
I. Lit. (post-Aug. and very rare): sustentaculum, columen, Tac. H. 2, 28.—
II. Transf., sustenance, nourishment: sustentaculum sumptuosum corporis, Aug. Mor. Eccl. Cath. 33.
Lewis & Short
A Latin Dictionary, 1879
An open-access project