b-hebrew chaberim: In looking at Isaiah 1:5, what is the meaning of TKW? Is it connected with TWK inside? Or is it a verb TKK or maybe TKH, as also used in Deuteronomy 33:3 and Ezekiel 22:20–22? Or have I made an elementary mistake that I need someone to slap me on the side of the head to recognize? Karl W. Randolph.