Deuteronomy 28:40

28:40 You will have olive trees throughout your territory but you will not anoint yourself with olive oil, because the olives will drop off the trees while still unripe. ¹ 

[28:40]  ¹ tn Heb “your olives will drop off” (נָשַׁל, nashal), referring to the olives dropping off before they ripen.