Where does “জন্মদিন” come from?

জন্মদিন (Bengali) comes from Bengali দিন, from Magadhi Prakrit ???, from Sanskrit दिन, from Proto-Indo-Aryan dinám, from Indo-Iranian *dinám, from Proto-Indo-European dyew- — to be bright; sky, heaven.

জন্মদিন (Bengali): birthday

Definitions

  1. birthday

Ancestry of “জন্মদিন”, step by step

জন্মদিন traces back through two separate lines of ancestry.

via Bengali দিন

StepLanguageWordMeaning
1Bengaliদিনday
2Magadhi Prakrit???—
3Sanskritदिनday; cut, divided, mowed
4Proto-Indo-Aryandinámday
5Indo-Iranian*dinám—
6Proto-Indo-Europeandyew-to be bright; sky, heaven

via Bengali জন্ম

StepLanguageWordMeaning
1Bengaliজন্মbirth
2Sanskritजन्मnominative singular of जन्मन्; birth
3Proto-Indo-Aryanȷ́ánHma—
4Proto-Indo-Iranianȷ́ánHma—
5Proto-Indo-Europeanǵénh₁mn̥offspring, seed
6Proto-Indo-Europeanǵenh₁-to produce, to beget, to give birth
Every word from Proto-Indo-European dyew- →Every word from Indo-Iranian *dinám →Every word from Proto-Indo-Aryan dinám →