subterfluo

subter-flŭo, ĕre, v. n., to flow beneath (post-Aug. and very rare).

I.

Lit.:

amnis sub montes subterfluens,

Vitr. 8, 2 med.:

torrente subterfluente,

Plin. 8, 50, 76, § 201:

aquae,

Sen. Q. N. 3, 30, 4, acc. to Fickert and Haase (not subinfluo).—

II.

Trop.:

eos felicitas ingrata subterfluit,

Eum. Pan. Const. 15.