Galatians 3:13

3:13 Christ redeemed us from the curse of the law by becoming a curse for us (because it is written, “Cursed is everyone who hangs on a tree”)

Galatians 4:22

4:22 For it is written that Abraham had two sons, one by the slave woman and the other by the free woman.

tn Grk “having become”; the participle γενόμενος (genomenos) has been taken instrumentally.

sn A quotation from Deut 21:23. By figurative extension the Greek word translated tree (ζύλον, zulon) can also be used to refer to a cross (L&N 6.28), the Roman instrument of execution.

tn Paul’s use of the Greek article here and before the phrase “free woman” presumes that both these characters are well known to the recipients of his letter. This verse is given as an example of the category called “well-known (‘celebrity’ or ‘familiar’) article” by ExSyn 225.