mātugāmo (Pali) comes from Pali gāma, from Sanskrit ग्राम, from Proto-Indo-Aryan grā́mas, from Proto-Indo-Iranian grā́mas, from Proto-Indo-European h₂ger- — to gather; flock, herd.
Ancestry of “mātugāmo”, step by step
mātugāmo traces back through two separate lines of ancestry.