agnirvanasya vṛkṣān dahati

 The Sanskrit phrase "agnirvanasya vṛkṣān dahati" in Devanagari script is: अग्निर्वणस्य वृक्षान् दहति

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Breakdown of Transliteration

• agni → अग्नि (fire)
• rvanasya → र्वणस्य (of the forest/tree or contextually “of burning”)
• vṛkṣān → वृक्षान् (trees, accusative plural)
• dahati → दहति (burns)

The Sanskrit phrase "agnirvanasya vṛkṣān dahati" 

translates to "The fire burns the trees of the forest" 

in English.

Breakdown of the phrase

• agni – "fire"
• rvanasya – "of the forest" (a possessive form indicating belonging 
• to the forest; "vana" means forest, "-sya" marks genitive case)
• vṛkṣān – "trees" (plural accusative case indicating the direct object)
• dahati – "burns" or "destroys by fire" (third-person singular present
• tense of the verb "to burn")

Literal translation

Combining the components:

"agnir-vanasya vṛkṣān dahati" → "The fire burns the trees of the forest."