Mahabharata 14.27.7

तस्मिन्वने सप्त महाद्रुमाश्च; फलानि सप्तातिथयश्च सप्तसप्ताश्रमाः सप्त समाधयश्च; दीक्षाश्च सप्तैतदरण्यरूपम्

tasminvane sapta mahādrumāśca; phalāni saptātithayaśca saptasaptāśramāḥ sapta samādhayaśca; dīkṣāśca saptaitadaraṇyarūpam

Our plain-language meaning of this verse is waiting for scholar review.