Valmiki Ramayana Sundara Kanda Sarga 54 Shloka 5
Original Shlokaयो ह्ययं मम लाङ्गूले दीप्यते हव्यवाहनः। अस्य सन्तर्पणं न्याय्यं कर्तुमेभिर्गृहोत्तमैः।।5.54.5।।
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मम my, लाङ्गूले on the tail, यः he who, अयम् हव्यवाहनः this fire, दीप्यते is burning, अस्य to him, एभिः with these, गृहोत्तमैः best mansions, सन्तर्पणम् offering, कर्तुम् to do, न्यायम् is proper.
'It would be proper to satiate this fire at the end of my tail by offering it to these excellent mansions (I shall set fire to these houses).