gnarled: [17] Gnarled is essentially a 19thcentury word. It is recorded once before then, in Shakespeare’s Measure for Measure 1603 (‘Thy sharp and sulphurous bolt splits the unwedgable and gnarled oak’), but its modern currency is due to its adoption by early 19th-century romantic writers. It is probably a variant of knurled [17], itself a derivative of knur or knor ‘rough misshapen lump, as on a tree trunk’ [14], which is related to German knorren ‘knot, gnarled branch or trunk’. => knurled[gnarled etymology, gnarled origin, 英语词源]