Perhaps by compounding H6567 and H6504 (in the sense of {straddling}) (compare H6576); the crotch (or anus): - dirt.
Verse
Matrix
Ezr 4:11¶ This is the copyH6573 of the letter that they sent unto him, even unto Artaxerxes the king; Thy servants the men on this side the river, and at such a time.
Ezr 4:23¶ Now when the copyH6573 of king Artaxerxes' letter was read before Rehum, and Shimshai the scribe, and their companions, they went up in haste to Jerusalem unto the Jews, and made them to cease by force and power. ▼
Ezr 5:6¶ The copyH6573 of the letter that Tatnai, governor on this side the river, and Shethar-boznai, and his companions the Apharsachites, which were on this side the river, sent unto Darius the king: