Tether

грани́ца

graníca

(limit of one's abilities, resources etc)

преде́л

predél

(limit of one's abilities, resources etc)

при́вязь

prívjazʹ

(rope, cable etc. that holds something in place whilst allowing some movement)

страхо́вочная верёвка

straxóvočnaja verjóvka

(rope, cable etc. that holds something in place whilst allowing some movement)

привя́зывать

privjázyvatʹ

(to restrict something with or as if with a tether)

привяза́ть

privjazátʹ

(to restrict something with or as if with a tether)