S / sŭb-horresco
verb intransitive hapax

sŭb-horresco

2nd PP sŭb-horrescĕre · conj. 3rd
to become rough; stormy; to boil up
v. inch. n., to become rough or stormy from below, to boil up: subito mare subhorrescere, Sisenn. ap. Non. 423, 9.