TgJ Is32:4 :וְלִישָנְהוֹן דַהְוָה בלים יוֹחֵי לְמַלָלָא בְצַחצְחָן‏ : their tongue that had been silenced shall speak fine words fluently
See the entire entry for blm vb. to muzzle, silence

TgJ Is32:4 :וְלִישָנְהוֹן דַהְוָה בלים יוֹחֵי לְמַלָלָא בְצַחצְחָן‏ : their tongue that had been silenced shall speak fluently with fine words
See the entire entry for ṣḥṣḥh n.f. clear word