וַתָּ֤מָת דְּבֹרָה֙ מֵינֶ֣קֶת רִבְקָ֔ה וַתִּקָּבֵ֛ר מִתַּ֥חַת לְבֵֽית־אֵ֖ל תַּ֣חַת הָֽאַלּ֑וֹן וַיִּקְרָ֥א שְׁמ֖וֹ אַלּ֥וֹן בָּכֽוּת׃ (פ)
And Deborah Rebekah’s nurse died, and she was buried below Beth-el under the oak; and the name of it was called Allon-bacuth.
Read kabbalistic (mystical) interpretation of Genesis 35:8: and classical mystical sources.