PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Nipātin
Nipātin,(adj.) [to nipatati] 1.falling or flying down,chancing upon Dh.35,36 (yatthakāma° cittaṁ=yattha yattha icchati tattha tatth’eva nipatati DhA.I,295).‹-› 2.going to bed D.I,60 (pacchā° going to bed late).‹-› Cp.abhi°.(Page 360)
汉译パーリ语辞典 黃秉榮譯
Nipātin
nipātin:a.[nipāta-in] 落下的(falling down),就寢的(going to bed).[(譯者補充) pacchā-nipātin 在~之後(才)就寢 (going to bed late,one who retires to rest later than another)].