Where does “آب” come from?

آب (Sindhi) comes from Classical Persian آب, from Middle Persian ʾp̄, from Old Persian 𐎠𐎱𐎡𐎹𐎠, from Proto-Iranian Hā́fš, from Proto-Indo-Iranian Hā́ps, from Proto-Indo-European h₂ep- — water, body of water.

آب (Sindhi): water; juice

Definitions

water; juice

Ancestry of “آب”, step by step

Step	Language	Word	Meaning
1	Classical Persian	آب	water
2	Middle Persian	ʾp̄	water
3	Old Persian	𐎠𐎱𐎡𐎹𐎠	into the water
4	Proto-Iranian	Hā́fš	water
5	Proto-Indo-Iranian	Hā́ps	water
6	Proto-Indo-European	h₂ep-	water, body of water

Every word from Proto-Indo-European h₂ep- →Every word from Proto-Indo-Iranian Hā́ps →Every word from Proto-Iranian Hā́fš →