עַרְכִי, (עָרַךְ; an adapt. of ἀρχή, ἀρχεῖον) recorder’s office for pedigree, deeds of sale &c. Kidd. IV, 5 בע׳ הישנה, v. אַרְכִי I.—Pl. עַרְכָאוֹת. Gitt. 44ᵃ כותב ומעלה בע׳ וכ׳ (Ar. בערכין) he writes (a deed of sale) and has it recorded in the office of gentiles (Romans); Ab. Zar. 13ᵃ בע׳ שלהן; Tosef. ib. I, 8 בעַרְכָאִים; Tosef. M. Kat. II, (I), 1 בעַרְכָיִים. Gitt. I, 5; Tosef. ib. I, 4 שטרות העולים בע׳ וכ׳ (Var. בעַרְכָיוֹת) deeds entered in gentile offices. Tosef. B. Bath. VIII, 2 כתב והעלה להם בערכאים זכה להם הערכיים if he wrote (a deed of donation for ten persons) and had it recorded for them in the office, the office took possession in their behalf; ib. 3 עַרְכָאִין … עַרְכָיִין; a. e.