verb/ɑ̃.ʃɛ.ne/
to chain, to shackle; to subjugate, to enslave; to put together (in a sequence), to concatenate
From en- + chaîne + -er. Possibly also corresponds to Vulgar Latin *incatēnāre, from Latin catēnāre. Compare Italian incatenare; Catalan, Occitan, and Catalan encadenar; and Portuguese encadear.