Where does “[[byasa]], [[bhyāsa]], [[abhyāsa]]” come from?

[[byasa]], [[bhyāsa]], [[abhyāsa]] (Old Javanese) comes from Sanskrit अभ्यास, from Sanskrit अभ्यस्, from Sanskrit अस्, from Proto-Indo-Iranian *has-.

Ancestry of “[[byasa]], [[bhyāsa]], [[abhyāsa]]”, step by step

StepLanguageWordMeaning
1Sanskritअभ्यासhabit; practice, habit
2Sanskritअभ्यस्to be over, reign over, excel, surpass, overpower
3Sanskritअस्to be; to throw
4Proto-Indo-Iranian*has-—

Words derived from “[[byasa]], [[bhyāsa]], [[abhyāsa]]”

Every word from Proto-Indo-Iranian *has- →Every word from Sanskrit अस् →Every word from Sanskrit अभ्यस् →
[[byasa]], [[bhyāsa]], [[abhyāsa]] — Etymology, Origin & Word History | Etymology Explorer