Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/10/8

पितुः क्षयाहे सम्प्राप्ते निमंत्र्य स्वगुरुं नृपः ।। वसिष्ठं गृहमानिन्ये भोजयामास भक्तितः ।। ८।।

sanskrit

On the Śrāddha day of his father the king invited his preceptor Vasiṣṭha to his palace and fed him devoutly.

english translation

pituH kSayAhe samprApte nimaMtrya svaguruM nRpaH || vasiSThaM gRhamAninye bhojayAmAsa bhaktitaH || 8||

hk transliteration by Sanscript