Where does “آتَش” come from?

آتَش (Classical Persian) comes from Middle Persian ʾthš, from Avestan 𐬁𐬙𐬀𐬭𐬱, from Proto-Iranian ātr-, from Proto-Indo-Iranian ātṛ-, from Proto-Indo-European h₂eh₁ter- — fire.

Ancestry of “آتَش”, step by step

StepLanguageWordMeaning
1Middle Persianʾthšfire
2Avestan𐬁𐬙𐬀𐬭𐬱singular nominative of ????; fire
3Proto-Iranianātr-fire
4Proto-Indo-Iranianātṛ-fire
5Proto-Indo-Europeanh₂eh₁ter-fire

Words derived from “آتَش”

Every word from Proto-Indo-European h₂eh₁ter- →Every word from Proto-Indo-Iranian ātṛ- →Every word from Proto-Iranian ātr- →