Brink

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Middle English: of Scandinavian origin.

wiktionary

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Middle English brinke, from Old Norse *brenka, brinka, from Proto-Germanic *brinkaz(“hill, edge (of land)”), from Proto-Indo-European *bʰren-(“project”). Cognate with Dutch brink(“grassland”), regional German Brink, Icelandic brekka(“slope”); also Tocharian B prenke(“island”), Irish braine(“prow”).

etymonline

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brink (n.)

"edge or border of a steep place," early 13c., from Middle Low German brink "edge," or from a Scandinavian source akin to Danish brink "steepness, shore, bank, grassy edge," from Proto-Germanic *brenkon, probably from PIE *bhreng-, variant of *bhren- "to project; edge" (source also of Lithuanian brinkti "to swell").