sorrel

From Middle English sorel, from Old French sorel, surele (“sorrel”), from Old French sur (“sour”), of Germanic origin, ultimately from Proto-Germanic *sūraz (“sour”); equivalent to sour + -el (diminutive suffix). Compare Old English sūre (“sorrel”), Icelandic súra (“sorrel”), Dutch zuring (“dock (plant), sorrel”). More at sour.

From Middle English sorel, from Middle French sorel, sorrel, surrel, from Middle French sor (“yellowish-brown, reddish-brown”), probably from Old Frankish saur (“dried”), from Proto-Germanic sauzaz (“dry”), from Proto-Indo-European *saus- (“dry, parched”); equivalent to sore (“reddish-brown”) + -el (diminutive suffix). Cognate with Middle Dutch soor (“dry”), Old High German sōrēn (“to become dry”), and Old English sēar (“withered, barren”). See also sere.