δυσαποσπάστως
From LSJ
τὸ ἓν καὶ τὸ ὂν πολλαχῶς λέγεται → the term being and the term one are used in many ways, one and being have various meanings, one and being have many senses
French (Bailly abrégé)
adv.
de façon à n'être pas facilement arraché.
Étymologie: δυσ-, ἀποσπάω.
Russian (Dvoretsky)
δυσαποσπάστως: с трудом отрываясь: δ. ἔχειν Plat., Diod. цепко держаться, крепко цепляться.