Spout
Middle English (as a verb): from Middle Dutch spouten, from an imitative base shared by Old Norse spýta ‘to spit’.
wiktionary
From Middle English spouten, from Middle Dutch spoiten, spouten (> Dutch spuiten(“to spout”)), from *spīwatjaną. Compare Swedish spruta a squirt, a syringe. See also spit, spew.
etymonline
spout (v.)
"to issue forcible, as a liquid," early 14c., related to Middle Dutch spoiten "to spout" (Dutch spuiten "to flow, spout"), North Frisian spütji "spout, squirt," Swedish sputa "to spout," from Proto-Germanic *sput-, from PIE *sp(y)eu- "to spew, spit" (see spew (v.)). Meaning "to talk, declaim" is recorded from 1610s. Related: Spouted; spouting.
spout (n.)
late 14c., from spout (v.). Cognate with Middle Dutch spoit, North Frisian spütj. It was the slang term for the lift in a pawnbroker's shop, the device which took up articles for storage, hence figurative phrase up the spout "lost, hopeless, gone beyond recall" (1812).