See the entire entry for ṭpš vb. to be stupid

TgJ Jer29:26 :וְתִתֵין יָתֵיה לְכִפְתָא וֻלגוֹ צִינוֹקָא : you should place him in the prison cell an in the pillory

See the entire entry for kp̄eṯ, kap̄tā n.m. tie, knot