See the entire entry for ˀarˁī, ˀarˁīṯā n.f. bottom

TgJ 1K6:15 :וַחְפָא יָת אֻושֵי בֵיתָא בִמחִצָת בֵירָוָן : he covered the building's foundations with cypress panelling

See the entire entry for mḥyṣh n.f. partition

TgJ 1K6:15 :מֵאַרעִית בֵיתָא עַד כֻתלַיָא עַד מָטֵי רֵישֵי שָריָתָא חָפֵי נִסרִין דְאַרזָא : from the base of the temple up to the walls until it reaches the ends of the beams--plated with cedar planks

See the entire entry for nsar, nisrā n.m. plank, s.t. sawed