Where does “दूध” come from?

दूध (Marathi) comes from Old Marathi दूध, from Maharastri Prakrit 𑀤𑀼𑀤𑁆𑀥, from Sanskrit दुग्ध, from Proto-Indo-Aryan dugdʰás, from Proto-Indo-Iranian dʰugdʰás, from Proto-Indo-European *dʰugʰ-tó-s, from Proto-Indo-European dʰewgʰ- — to produce, to produce something useful; to be...

दूध (Marathi): milk; the milky sap of plants; an emulsion of the...