A.cut or prune the roots of a tree by digging round it, “συκῆ ῥιζοτομηθεῖσα” Thphr.CP1.17.10, etc.
II. cut up by the roots, extirpate, D.S.32.4: esp. for Medic. purposes, ῥ. βοτάνας cut and gather their roots, Hp.Ep.16, cf. Thphr.HP4.5.1; gather roots for food, Str.16.4.9: metaph., Philostr.VA7.26.