προσπλέκω
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)
A connect with, τινί τινα M.Ant.10.7; mix with a medicine, Archig. ap. Gal.12.645:—Pass., cling to, attach oneself or be attached to, Plb.5.60.7, Plu.2.796b; εἴδει ἑτέρῳ Dam.Pr.84; in hostile sense, attack, τῷ Διονύσῳ Arg.1 Ar.Ra.; fasten upon, in argument, λέξει Gal.1.176; to be mixed up with, μυθώδη τινὰ -πέπλεκται τοῖς λεγομένοις Str.1.1.10; of astrological relationship, Vett. Val.119.27.