فرهنso, a pledge ماan emphatic particle يدايmy two hands لكمto you (plural) وفاءpayment in full
فرهن ما يداي لكم وفاء
باشناقfor the lesser portions الدياتthe blood-money payments إلىto الكهولmen of mature age
باشناق الديات إلى الكهول
So my two hands are pledged to you, guaranteeing payment
My soul what I owe you is faithfulness
of the lesser blood-money dues to men of mature age.
While the lamp of my days turns to ashes