Stream
Old English strēam (noun), of Germanic origin; related to Dutch stroom, German Strom, from an Indo-European root shared by Greek rhein ‘to flow’.
wiktionary
From Middle English streem, strem, from Old English strēam, from Proto-Germanic *straumaz(“stream”), from Proto-Indo-European *srowmos(“river”), from Proto-Indo-European *srew-(“to flow”). Doublet of rheum.
Cognate with Scots strem, streme, streym(“stream, river”), North Frisian strum(“stream”), West Frisian stream(“stream”), Low German Stroom(“stream”), Dutch stroom(“current, flow, stream”), German Strom(“current, stream”), Danish and Norwegian Bokmål strøm(“current, stream, flow”), Norwegian Nynorsk straum(“current, stream, flow”), Swedish ström(“current, stream, flow”), Icelandic straumur(“current, stream, torrent, flood”), Ancient Greek ῥεῦμα(rheûma, “stream, flow”), Lithuanian srovė(“current, stream”)Polish strumień(“stream”), Welsh ffrwd(“stream, current”), Scottish Gaelic sruth(“stream”).
etymonline
stream (n.)
Old English stream "a course of water," from Proto-Germanic *strauma- (source also of Old Saxon strom, Old Norse straumr, Danish strøm, Swedish ström, Norwegian straum, Old Frisian stram, Dutch stroom, Old High German stroum, German Strom "current, river"), from PIE root *sreu- "to flow."
From early 12c. as "anything issuing from a source and flowing continuously." Meaning "current in the sea" (as in Gulf Stream) is recorded from late 14c., as is the sense of "steady current in a river." Stream of consciousness in lit crit first recorded 1930, originally in psychology (1855). Stream of thought is from 1890.
stream (v.)
early 13c., "to flow copiously," from stream (n.). Transitive sense "discharge in a stream" is from late 14c. Related: Streamed; streaming. Compare German strömen, Dutch stroomen, Danish strömme, all verbs from nouns.
