Strong's Definition
probably of Persian origin; an epistle
KJV Usage: letter
STEPBible — Tyndale Abridged Hebrew Lexicon
נִשְׁתְּוָן (nish.te.van) — letter. letter Aramaic equivalent: nish.te.van (נִשְׁתְּוָן "document" H5407)
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
נִשְׁתְּוָן n.[m.] letter base