Where does “مهر” come from?

مهر (Classical Persian) comes from Middle Persian mtr', from Old Persian 𐎷𐎰𐎼, from Avestan 𐬨𐬌𐬚𐬭𐬀, from Proto-Iranian miθráh, from Proto-Indo-Iranian mitrás, from Proto-Indo-European mēy- — soft, tender, dear.

Ancestry of “مهر”, step by step

مهر traces back through two separate lines of ancestry.

via Middle Persian mtr'

StepLanguageWordMeaning
1Middle Persianmtr'sun; love, friendship
2Old Persian𐎷𐎰𐎼Mithra, a Zoroastrian deity
3Avestan𐬨𐬌𐬚𐬭𐬀contract; agreement; pact
4Proto-Iranianmiθráh
5Proto-Indo-Iranianmitráscovenant; treaty; agreement
6Proto-Indo-Europeanmēy-soft, tender, dear

via Middle Persian mwdl

StepLanguageWordMeaning
1Middle Persianmwdl

Words derived from “مهر

Every word from Proto-Indo-European mēy-Every word from Proto-Indo-Iranian mitrásEvery word from Proto-Iranian miθráh