TgJ Ez43:14 :וֻמִמְסָמְתָא זְעֵירְתָא עַד מְסָמְתָא רַבְתָא אַרבַע אַמִין וֻפֻתיָא אַמְתָא‏ : from the small terrace [MT הֳעֲזָרָה] to the large terrace is four cubits with a width of a cubit
See the entire entry for msmh n.f. terrace (of the altar)

TgJ Ez43:14 :וֻמִתַשוִית אַרעָא עַד מְסָמְתָא אַרעִיתָא תַרתֵין אַמִין וֻפוּתיָא אַמְתָא חֲדָא‏ : two cubits from the ground base to the lower terrace, a single cubit in width
See the entire entry for te/ašwī, te/ašwīṯā n.f. bedding; base