Where does “???‎” come from?

???‎ (Middle Persian) comes from Proto-Iranian kamarā-, from Proto-Iranian kamárati, from Proto-Indo-Iranian *kmárati, from Proto-Indo-European kh₂em- — to bend, to curve.

???‎ (Middle Persian): vault

Definitions

  1. vault

Ancestry of “???‎”, step by step

StepLanguageWordMeaning
1Proto-Iraniankamarā-something curved
2Proto-Iraniankamárati—
3Proto-Indo-Iranian*kmárati—
4Proto-Indo-Europeankh₂em-to bend, to curve
Every word from Proto-Indo-European kh₂em- →Every word from Proto-Indo-Iranian *kmárati →Every word from Proto-Iranian kamárati →