συνάλθομαι
From LSJ
Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
English (LSJ)
aor. inf. -αλθεσθῆναι, Pass.,
A heat up, of a wound or fracture, Hp.Art.14; also in the form συναλθάσσομαι, Id.Fract.9 (v.l. -αλθέεται).
