Does the Old Slavonic word pyast' (metacarpus) relate to the petlya (coupling)

The Ancient Greek word αγκύλη relate to the wrist (the Russian zapyast'ye from pyast' (where t' is the ending by analogy with ugast')


http://stephanus.tlg.uci.edu/lsj/#eid=628

The Ancient Greek word αγκύλη translated by the Old Slavonic petlya (where lya is the ending by analogy with kaplya) Exo.26:10

Does the Old Slavonic word pyast' (metacarpus) relate to the petlya (coupling), taking into consideration the Old Slavonic ya->e and s->t alteration (by analogy with syadu sest' and chest' chtit' and so on)?