insecabilis
From LSJ
Οὕτως γὰρ ἠγάπησεν ὁ Θεὸς τὸν κόσμον, ὥστε τὸν Υἱὸν τὸν μονογενῆ ἔδωκεν, ἵνα πᾶς ὁ πιστεύων εἰς Αὐτὸν μὴ ἀπόληται ἀλλ᾽ ἔχῃ ζωὴν αἰώνιον → For God so loved the world that he gave his only begotten Son that whosoever believeth in him should not perish but have everlasting life (John 3:16)
Latin > English (Lewis & Short)
in-sĕcābĭlis: e, adj.,
I that cannot be cut up or divided, inseparable, indivisible (post-Aug.), Sen. Ep. 118: corpora, i. e. atoms, Quint. 2, 17, 38; 3, 3, 13.