ἐγκαθίννυμαι
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
English (LSJ)
A = ἐγκαθίζω 2, Hp.Mul.2.210.
Spanish (DGE)
tomar baños de asiento ἐγκαθίννυσθαι δὲ ἐν ῥόδων ἀφεψήματι Hp.Mul.2.210, cf. 1.53.