H3791. kethab
כְּתָב noun masculine[Ezra 4:7] writing (late Aramaic; Biblical Aramaic כְּתָב Syriac ); — ׳כ absolute [1Chr 28:19] [4]t.; construct [Ezek 13:9] [4]t.; suffix כְּתָבָהּ [Est 1:22] [2]t.; כְּתָבָם [Ezra 2:62] [3]t.; — writing:
1 register, enrolement, [Ezek 13:9]; [Ezra 2:62] = [Neh 7:64].
2 = mode of writing, character, letter, ׳וּכ אֲרָמִית כָּתוּב הִנִּשְׁתְּוָן [Ezra 4:7] and the writing of the letter was written in Aramaic (characters; so probably, see BeRy Ryle, compare Late Hebrew HoffmZAW i.(1881), 334 ff.); compare [Est 1:22]; [3:12]; [8:9] (twice in verse).
3 = letter, [2Chr 2:10]; [Est 9:27].
4 of a royal enactment, edict[2Chr 35:4] (|| מִכְתָּב), [Est 3:14]; [8:8], [13]; more fully כְּתָבהַֿדָּת [4:8].
5 of a writing with divine authority [1Chr 28:19]; ׳כ אֱמֶת [Dan 10:21], i.e. a book of truth.