This is the 341st most frequent Hindi word.
उद
The Hindi word "उद" means "water" or "moisture."
Here, 'उद' is part of 'उदास', meaning 'sad'. It describes the emotion portrayed in the tone.
उसने उदास स्वर में गीत गाया।
She sang the song in a sad tone.
In this context, 'उदय' means 'rise', which refers to the action of the sun rising, portraying a beautiful scene.
उदयपूर्व सूरज का रंग लाल होता है।
The color of the sun is red before rise.
Here, 'उद' is part of 'उदारता', meaning 'generosity'. It expresses the concept of being magnanimous or giving.