εἰσνέω
From LSJ
Ubi idem et maximus et honestissimus amor est, aliquando praestat morte jungi, quam vita distrahi → Where indeed the greatest and most honourable love exists, it is much better to be joined by death, than separated by life.
English (LSJ)
fut. -νεύσομαι,
A swim into, Th.4.26, Ael.NA13.6.