The word `` histone '' dates from the late 19th century and is from the German word `` Histon '' , a word itself of uncertain origin - perhaps from the Greek `` histanai '' or `` histos '' .
The word `` histone '' dates from the late 19th century and is from the German `` Histon '' , of uncertain origin : perhaps from Greek `` histanai '' or from `` histos '' .