Or Artachshasht {ar-takh- shasht'}; or by permutation Artachshactu {ar-takh-shast'}; of foreign origin; Artachshasta (or Artaxerxes), a title (rather than name) of several Persian kings -- Artaxerxes.
H783. Artachshashta
' אַרְתַּחְשַׁשְׂתָּא proper name, masculine Artaxerxes (Persian Artakhshatrâ, SpiegAPK 68, 207 ᵐ5 Ἀρταξερξης, compare BeRy on Ezra 4:23; 7:1f.; Nehemiah 1:1) ׳א Ezra 4:7 see BD102; אַרְתַּחְשַׁשְׂתְּא 4:7, אַרְתַּחְשַׁסְתְּא 7:1, 11; 8:1; Nehemiah 2:1; 5:14; 13:6; Artaxerxes I, or Longimanus, son & successor of Xerxes, reigned B.C. 465-424.
אַרְתַּחְשַׁשְׂתְּא proper name, masculine of king, Ezra 4:8, 11, 23; 6:14 = שַׁסְתְּא- 7:12, 21 (Biblical Hebrew שַׁשְׂתָּא-; Egyptian Aramaic ארתחשסש RES438, S-CB2+; see also AndrM 54* Schefti. 79); — Αρσαρθα, Α(ρ)σαθαθα, Αρθασαθα; ᵐ5L Αρταξερξης.