Al-Balad • BN-TAFSEER-IBN-E-KASEER
﴿ أَوْ إِطْعَٰمٌۭ فِى يَوْمٍۢ ذِى مَسْغَبَةٍۢ ﴾
“or the feeding, upon a day of [one's own] hunger,”
Please check ayah 90:20 for complete tafsir.