συμπαρανέω
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
English (LSJ)
A swim beside together, τοῖς ἰχθύσι ib.33(51).29; so συμπαρα-νήχομαι, Luc.Tox.20.
Greek (Liddell-Scott)
συμπαρανέω: τῷ ἑπομ., τοῖς ἰχθύσι συμπαρανεῖν Ἀριστείδ. τ. 2, σ. 423.