וַיְהִי֩ כִרְא֨וֹת הַמֶּ֜לֶךְ אֶת־אֶסְתֵּ֣ר הַמַּלְכָּ֗ה עֹמֶ֙דֶת֙ בֶּֽחָצֵ֔ר נָשְׂאָ֥ה חֵ֖ן בְּעֵינָ֑יו וַיּ֨וֹשֶׁט הַמֶּ֜לֶךְ לְאֶסְתֵּ֗ר אֶת־שַׁרְבִ֤יט הַזָּהָב֙ אֲשֶׁ֣ר בְּיָד֔וֹ וַתִּקְרַ֣ב אֶסְתֵּ֔ר וַתִּגַּ֖ע בְּרֹ֥אשׁ הַשַּׁרְבִֽיט׃ (ס)
Y fué que, como vió á la reina Esther que estaba en el patio, ella obtuvo gracia en sus ojos; y el rey extendió á Esther el cetro de oro que tenía en la mano. Entonces se llegó Esther, y tocó la punta del cetro.
Radak
לא יסור שבט מיהודה, the ruler is called שבט because he exercises authority over the people and disciplines them if they disobey. He uses his power like a father uses his rod on a disobedient son. In fact, the rod or scepter, or its equivalent, are carried by people in authority in order to remind those who are subservient to them as a symbol of their power to exact punishment. We find such a שבט called שרביט הזהב, “the golden scepter,” and whether the king extended it or failed to extend it to a supplicant determined if he would be executed. (Esther 5,2) The expression also occurs in the sense we have mentioned in Isaiah 14,5 and in Psalms 45,7.