FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

'Artachshashta' ar-takh-shash-taw' — or mArtachshasht {ar-takh- shasht'}; or by permutation gArtachshactu {ar-takh-shast'}; of foreign origin; Artachshasta (or Artaxerxes), a title (rather than name) of several Persian kings:--Artaxerxes.