The sentence is
それがいかなる彼女の琴線に触れたのかはわからない
I believe that かは is embedding the question (as seen here) but I'm a little confused at what role の is playing here. Is it simply nominalizing the previous sentence? and if so why is it playing this role?
The sentence is
それがいかなる彼女の琴線に触れたのかはわからない
I believe that かは is embedding the question (as seen here) but I'm a little confused at what role の is playing here. Is it simply nominalizing the previous sentence? and if so why is it playing this role?