'Abdullah bin Sa'eed narrated that his grandfather said:
"Iheard AbuHurairah say: The Messenger of Allah (ﷺ) said: 'Eat(olive) oil andanoint yourselves with it, for it is blessed.'" (AR)
English reference (AR): Vol. 4, Book 29, Hadith 3320 (AR)
Arabic reference (AR): Book 29, Hadith 3445 (AR)