TgJ Is44:19 :וֻשאָרֵיה לְתוֹעֵיבָא אַעְבֵיד לִבלִי אָעָא אַסגוֹד‏ : the rest (of the wood) I make into an abomination; I bow down to a clump of wood
See the entire entry for blāy adj. worn out, old