Pi. wait, hope (Aramaism; cf. Aramaic סְבַר think, Pa. hope; ܣܒܰܪ believe, hope, Pa. think, Aph. hope);—Pf. 1 s. שִׂבַּרְתִּי ψ 119:166, 3 pl. שִׂבְּרוּ Est 9:1; Impf. 3 mpl. יְשַׂבְּרוּ Is 38:18, יְשַׂבֵּ֑רוּ ψ 145:15, יְשַׂבֵּר֑וּן ψ 104:27; 2 fpl. תְּשַׂבֵּרְנָה Ru 1:13;— 1. wait + לָהֵן therefor Ru 1:13. 2. hope for, ל rei ψ 119:166, אֶל rei Is 38:18, אֶל pers. ψ 104:27; 145:15; ל inf. Est 9:1 hope to rule.
whose hope is in the ETERNAL their God,
= "hope"
עֵֽינֵי־כֹ֭ל אֵלֶ֣יךָ יְשַׂבֵּ֑רוּ וְאַתָּ֤ה נֽוֹתֵן־לָהֶ֖ם אֶת־אׇכְלָ֣ם בְּעִתּֽוֹ׃
ע The eyes of all look to You expectantly,
and You give them their food when it is due.
(יב) שֹׁ֤בְנָה בְנֹתַי֙ לֵ֔כְןָ כִּ֥י זָקַ֖נְתִּי מִהְי֣וֹת לְאִ֑ישׁ כִּ֤י אָמַ֙רְתִּי֙ יֶשׁ־לִ֣י תִקְוָ֔ה גַּ֣ם הָיִ֤יתִי הַלַּ֙יְלָה֙ לְאִ֔ישׁ וְגַ֖ם יָלַ֥דְתִּי בָנִֽים׃ (יג) הֲלָהֵ֣ן ׀ תְּשַׂבֵּ֗רְנָה עַ֚ד אֲשֶׁ֣ר יִגְדָּ֔לוּ הֲלָהֵן֙ תֵּֽעָגֵ֔נָה לְבִלְתִּ֖י הֱי֣וֹת לְאִ֑ישׁ אַ֣ל בְּנֹתַ֗י כִּֽי־מַר־לִ֤י מְאֹד֙ מִכֶּ֔ם כִּֽי־יָצְאָ֥ה בִ֖י יַד־יְהֹוָֽה׃
(12) Turn back, my daughters, for I am too old to be married. Even if I thought there was hope for me, even if I were married tonight and I also bore sons, (13) should you wait for them to grow up? Should you on their account debar yourselves from marriage? Oh no, my daughters! My lot is far more bitter than yours, for the hand of the LORD has struck out against me.”
(א) וּבִשְׁנֵים֩ עָשָׂ֨ר חֹ֜דֶשׁ הוּא־חֹ֣דֶשׁ אֲדָ֗ר בִּשְׁלוֹשָׁ֨ה עָשָׂ֥ר יוֹם֙ בּ֔וֹ אֲשֶׁ֨ר הִגִּ֧יעַ דְּבַר־הַמֶּ֛לֶךְ וְדָת֖וֹ לְהֵעָשׂ֑וֹת בַּיּ֗וֹם אֲשֶׁ֨ר שִׂבְּר֜וּ אֹיְבֵ֤י הַיְּהוּדִים֙ לִשְׁל֣וֹט בָּהֶ֔ם וְנַהֲפ֣וֹךְ ה֔וּא אֲשֶׁ֨ר יִשְׁלְט֧וּ הַיְּהוּדִ֛ים הֵ֖מָּה בְּשֹׂנְאֵיהֶֽם׃
(1) And so, on the thirteenth day of the twelfth month—that is, the month of Adar—when the king’s command and decree were to be executed, the very day on which the enemies of the Jews had expected to get them in their power, the opposite happened, and the Jews got their enemies in their power.
The shoresh only occurs 8 times in all of Tanach.
BDB sayss it's an Aramaicism, found only in the later books.
Hope, wait, expect – from the Aramaic version of sevara (with a samech): reasoning.
But it's the anti-reason kind of reasoning, the hope against all odds, a kind of optimism that can’t be surprised. May we have an adequate supply in the year to come.