فديوانُso the bureau الضِّياعِof estates بفتحِwith an a-vowel on ضادٍthe letter ḍād
فديوانُ الضِّياعِ بفتحِ ضادٍ
وديوانُand the bureau الخِراجof land tax بحذفِwith the removal of جيمِthe letter jīm
وديوانُ الخِراج بحذفِ جيمِ
So the estates bureau—with an a-vowel on its ḍād, a “bureau of loss”;
A diwan of loss with an open dhad
And the land-tax bureau—with its jīm removed, a “bureau of shit.”
A diwan of taxes with the jim omitted
Sol 6.1