εἰσβάλλειν
From LSJ
Τὸ ζῆν ἀλύπως ἀνδρός ἐστιν εὐτυχοῦς → Satis beati est esse sine maeroribus → Ein Leben ohne Leid führt nur, wer glücklich ist
Greek > English (Woodhouse Verbs Reversed)
(see also εἰσβάλλω): attack, enter, break into, cast in, fling into, go into, make an incursion, throw in, throw into