From gabal; a twisted chain or lace -- end.
see HEBREW gabal
H1383. gabluth
גַּבְלֻת noun feminine twisting — גַּבְלֻת שֹׁת שַׁרְ Exodus 28:22, גּ ׳שַׁרְשְׁרֹת 39:15 (both P), cords of twisting, i.e. (well or tightly) twisted cords.