oker
The origin and history of oker.
Etymology
From Middle English oker, okur, okir, okyr, ocker, from Old Norse ókr (“usury”), from Proto-Germanic *wōkraz (“progeny, earnings, profit”), from Proto-Indo-European *h₂ewg- (“to add, increase”). Cognate with Scots ocker (“usury”), Icelandic ókur (“usury”), Swedish ocker (“usury”), German Wucher (“usury”), Dutch woeker (“usury”), Old English wōcor (“increase, growth, fruit, usury”), Gothic 𐍅𐍉𐌺𐍂𐍃 (wōkrs, “interest, usury, tax”), Latin augere (“to increase”). More at eke, wax.