From bathar; a section -- part, piece.
see HEBREW bathar
H1335. bether
[בֶּ֫תֶר] noun masculineGenesis 15:10 part, piece.
1 בִּתְרוֺ Genesis 15:10; plural suffix בְּתָרָיו Jeremiah 34:18, הָעֵגֶל בִּתְרֵי 34:19; always of halves of animals cut in two in making covenants.
2 בָּ֑תֶר הָרֵי Song of Solomon 2:17 mountains of cutting, i.e. cleft mountains ᵐ5 Thes and others; or of separation (between us) Ew and others; according to WeProl. 415, Eng. Tr. 391 ׳ב = malobathron. — Bether as proper name AV RV.