Lexical Definition

‎כִּסְלֵו‎ Kiçlêv (kis-lave') Chislev ^N:N-M-T
probably of foreign origin

Chisleu.

• § Chisleu = "his confidence"
• Kisleu, the 9th Hebrew month

1) the 9th month of the calendar corresponding to Nov-Dec

Brown-Driver-Briggs

‎כִּסְלֵו‎ proper name [masculine] kislew, ninth month (post-exilic) = November-December, Zech 7:1 ‎׳‎‎בְּחֹדֶשׁ כ‎ Neh 1:1 (ᵑ7 id.; loan-word from Babylonian kislimu, kislivu, Muss-Arn^{JBL 1892, 167}; conjectures on etymology by Jen^{ZA ii, 210, Anm. 3} Hpt^{ib. 265, Anm. 2}; Palmyrene ‎כסלול‎ Vog^{No. 24}; Greek χασελευ I Makk Neh 1:54).

Brown-Driver-Briggs References