Bhagavad Gītā Chapter 17, Verse 10: Krishna to ArjunaŚraddhātraya-Vibhāga-Yoga

Bhagavad Gītā 17.10Chapter 17 · Śraddhātraya-Vibhāga-Yoga · KrishnaArjuna · anuṣṭubh
यातयामं गतरसं पूति पर्युषितं च यत्
उच्छिष्टमपि चामेध्यं भोजनं तामसप्रियम्
yāta√yā(25 verses)compound participle (compound member)to go (verbal root)-yāmaṃyāmanominative neuter singular nounwatch (3-hour period); restraint gata√gam(20 verses)compound participle (compound member)to go (verbal root)-rasaṃrasa(5 verses)nominative neuter singular nounessence, taste, sentiment (the aesthetic rasa) pūtipūtinominative neuter singular nounstinking, putridattested in commentariesadvaitaदुर्गन्धि, पर्युषितंviśiṣṭādvaitaदुर्गन्धोपेतम्, पर्युषितं कालातिपत्त्या रसान्तरापन्नम्, उच्छिष्टं गुर्वादिभ्यः अन्येषां भुक्तशिष्टम्, अमेध्यम् अयज्ञार्bhaktiदुर्गन्धं, पर्युषितं दिनान्तरपक्वम्, उच्छिष्टमन्यभुक्तावशिष्टम्, अमेध्यमभक्ष्यं कलञ्जादि, एवंभूतं भोजनं भोज्यं तामसस्यadvaita-bhaktiदुर्गन्धं, पर्युषितं पक्वं सद्रात्र्यन्तरितं, चेतसस्तत्कालोन्मादकरं धत्तूरादिसमुच्चयीयते यदतिप्रसिद्धं दुष्टत्वेन paryuṣitaṃparyuṣitanominative neuter singular nounstale, kept overnight (pari- + √vas) caca(391 verses)and; (homonym: also the consonant ca) yatyad(218 verses)nominative neuter singular nounwhich, who (relative pronoun)
ucchiṣṭam√ucchiṣnominative neuter singular participle nounto be left over (ud- + √śiṣ); leavingsattested in commentariesadvaita, अमेध्यम् अयज्ञार्हम्, भोजनम् ईदृशं तामसप्रियम् apiapi(103 verses)also, even, although cāmedhyaṃ bhojanaṃbhojana(2 verses)nominative neuter singular nounfood, eating (from √bhuj) tāmasatāmasa(15 verses)compound (compound member)tāmasa (derived from tamas 'darkness': 'pertaining to the tamas guṇa')-priyampriya(20 verses)nominative neuter singular noundear, beloved
spokensingle-voice recital; rendered via IndicF5 conditioned on a Sanskrit reference clip
meaning

Food that is stale, putrid, left over from another's plate, or unfit for offering is what the tamasic person craves.