Lexical Definition

‎שְׁבָט‎ Shᵉbâṭ (sheb-awt') Shebat N:N-M-T
of foreign origin

Sebat.

1) 11th month in the post-exilic Jewish calendar corresponding to Jan or Feb

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
שְׁבָ֔ט Shebat Zech.1.7
Σαβάτ Shebat LXX.Zech.1.7

Brown-Driver-Briggs

‎שְׁבָט‎ proper name, month Shebat, 11th month (post-exilic) = Feb.-March; loan-word from Babylonian Šabâ‰u (COTNeh 1:1 DlWB), Zech 1:7 (derived from šabâ‰u, strike, kill destroy (DlProl 38; WB), LyonBib Sacr Apr. (1884), 384 JenZA iv (1889), 273 Muss-ArnJBL xi (1892) 171 f. and others, as month of destroying rain; another conjecture in ZimKAT 3. 594 n; this month called ‎שבט‎ also in Nabataean, Palmyrene, see Lzb SAC111) ‎שְׁבִי‎, ‎שִׁבְיָה‎, ‎שְׁבִית‎ see ‎שׁבה‎.

Brown-Driver-Briggs References

Book Refs
Nehemiah 1:1
Zechariah 1:7