Where does “Khawaja” come from?

Khawaja (English) comes from Classical Persian خْوَاجَه, from Sanskrit उपाध्याय, from Sanskrit उप, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “Khawaja”, step by step

StepLanguageWordMeaning
1Classical Persianخْوَاجَه—
2Sanskritउपाध्यायteacher, preceptor, advisor, counselor
3Sanskritउपtherefore, moreover; towards; near
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Sanskrit उप →