Krtajnata

The term Krtajna is formed from the root jña (to know) combined with krta (done). Krtam janati iti krtajnah—one who knows or acknowledges the good done to them. Krtajnata is the acknowledgement of benefits received.

Devanagari

यस्य चार्द्रस्य वृक्षस्य शीतच्छायां समाश्रयेत्।
न तस्य पर्णं द्रुह्येता पूर्ववृत्तम् अनुस्मरन्॥

Transliteration

yasya cardrasya vrksasya sitacchayam samasrayet |
na tasya parnam druhyeta purvavrttam anusmaran ||

Translation

Mahabharata: If one has enjoyed the cool shade of a lush tree, one should not willfully pluck even a single leaf of it, keeping in mind the earlier good deed of providing that shade.