TgJ 2Sam23:5 :כְמָא דְקַיָימִין סִדרֵי בְרֵאשִית‏ : as long as the ordered structures of Creation last
See the entire entry for brā/ēšīṯ n.m. The Beginning

TgJ 2Sam23:5 :סִדרֵי בְרֵאשִית‏ :
See the entire entry for sḏar (seḏer), seḏrā n.m. order; rank