1) letter Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: probably of Persian origin Same Word by TWOT Number: 1439
Brown-Driver-Briggs
נִשְׁתְּוָןnoun [masculine]letter (usually derived from Persian , i.e. writing, HoffmZA ii (1887), 52 yet compare MeyerJudenthum 22); — absolute ׳נEzra 4:7; Ezra 7:11.
נתב (√ of following; Arabic swell forth, become prominent, protuberant, Lane2760).
Englishman's Concordance (References)
Strong's Hebrew: 5406. nishtevan — 2 Occurrences
Ezra 4:7 HEB:פָּרָ֑ס וּכְתָב֙ הַֽנִּשְׁתְּוָ֔ן כָּת֥וּב אֲרָמִ֖ית NAS: and the text of the letter was written KJV: and the writing of the letter [was] written INT: of Persia and the text of the letter was written Aramaic
Ezra 7:11 HEB:וְזֶ֣ה ׀ פַּרְשֶׁ֣גֶן הַֽנִּשְׁתְּוָ֗ן אֲשֶׁ֤ר נָתַן֙ NAS: is the copy of the decree which KJV: Now this [is] the copy of the letter that the king INT: now this is the copy of the decree which gave