اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
دَخْل سَنَوِي يُدْفَع سَلَفَاً:- an annuity paid in a series of more or less equal payments at the beginning of equally spaced periods; "rent payable in advance constitutes an annuity in advance for the landlord" (Arabic WordNet)