Where does “شرمنده” come from?

شرمنده (Classical Persian) comes from Classical Persian شرم, from Middle Persian 𐭱𐭥𐭬, from Avestan 𐬟𐬱𐬀𐬭𐬆𐬨𐬀, from Proto-Indo-European ḱormo- — suffering, pain.

Ancestry of “شرمنده”, step by step

Step	Language	Word	Meaning
1	Classical Persian	شرم	—
2	Middle Persian	𐭱𐭥𐭬	—
3	Avestan	𐬟𐬱𐬀𐬭𐬆𐬨𐬀	sense of shame
4	Proto-Indo-European	ḱormo-	suffering, pain

Every word from Proto-Indo-European ḱormo- →Every word from Avestan 𐬟𐬱𐬀𐬭𐬆𐬨𐬀 →Every word from Middle Persian 𐭱𐭥𐭬 →