To enlarge/ expatiate on/ elaborate/ to speak at length (enlarging upon/ speaking at large)
Speak at length. Detail or explain in detail what he said.
("But King David, may God bless him and grant him peace, expanded the matter further and placed the Levites as servants in the house of the Lord, from their birth to their 20th year" - Abarbanel in the wilderness, chapter 8, and so on: "And we greatly expanded the matters in the light of this matter at the beginning of the year" - Beit HaBahira, the choice of the Meirites, the Tabernacle, 40:1, and so on: "And we greatly expanded the matter In this question, and we have been diligent in its return in order to remove doubt and illuminate the truth" - Rabbi Abraham ben Harambam Simeon Kav, and so: "And when we do His will, may He be blessed, we are those who accept this word in holiness and purity and learn the Torah in its name, according to the will of the Creator, may He be blessed, we unite "The speech with the voice" - The lips of the righteous are the names of the parshath in the letter, and so: "And Judah, while he was alive, was engraver, whose heart was full...unwillingly he expanded the speech - perhaps he did no good" - Y. Burla/ Kisupim, 224, and so: "Woe to the deer, and I will expand the speech against him in the following chapters, the first few chapters, the small ones that will not be seen As if a sudden leap had leapt into the story" - Agnon/ On the Caps of the Lock, in Our Youth and in Our Old Age, 217)
Translation
Expression (Hebrew)
הִרְחִיב אֶת הַדִּיבּוּר, יִיחֵד אֶת הַדִּיבּוּר (הַרְחָבַת הַדִּיבּוּר)
Definition (Hebrew)
דִּבֵּר בְּהַרְחָבָה. פֵּרֵט אוֹ נִמֵּק בְּצוּרָה רְחָבָה אֶת מָה שֶׁאָמַר.
("אֲבָל דָּוִד הַמֶּלֶךְ ע"ה הִרְחִיב אֶת הַדָּבָר יוֹתֵר וְשָׁם אֶת הַלְוֵם עוֹבְדִים בְּבֵית ה' בִּהְיוֹתָם מִבֶּן כ' שָׁנָה"- אַבַּרְבַּנְאֵל בְּמִדְבַּר פֶּרֶק ח, וְכֵן:"וּכְבָר הִרְחַבְנוּ אֶת הַדְּבָרִים בְּבֵאוּר דָּבָר זֶה בָּרִאשׁוֹן שֶׁל רֹאשׁ הַשָּׁנָה"- בֵּית הַבְּחִירָה לִמְאִירִי מַסֶּכֶת סֻכָּה מז ע"א, וְכֵן:"וּכְבָר הִרְחַבְנוּ אֶת הַדִּבּוּר בִּשְׁאֵלָה זוֹ וְהֶאֱרַכְנוּ בִּתְשׁוּבָתָהּ כְּדֵי לְהַשְׁבִּית הַסָּפֵק וּלְהָאִיר אֶת הָאֱמֶת"- שׁוּ"ת רַבִּי אַבְרָהָם בֶּן הָרַמְבָּ"ם סִימָן קַו, וְכֵן:"וּכְשֶׁאָנוּ עוֹשִׂים רְצוֹנוֹ יִתְבָּרַךְ הָיִינוּ שֶׁאָנוּ מְקַבְּלִים אֶת הַדִּבּוּר הַזֶּה בִּקְדֻשָּׁה וּבְטַהֲרָה וְלוֹמְדִים הַתּוֹרָה לִשְׁמָהּ כִּרְצוֹן הַבּוֹרֵא יִתְבָּרַךְ אָנוּ מְיַחֲדִים אֶת הַדִּבּוּר עִם הַקּוֹל"- שִׂפְתֵי צַדִּיקִים שְׁמוֹת פָּרָשַׁת בְּשַׁלַּח, וְכֵן:"וְח' יְהוּדָה חַי נִתְחָרֵט שֶׁגִּלָּה לִבּוֹ...בְּלֹא רָצוֹן הִרְחִיב אֶת הַדִּבּוּר- אֶפְשָׁר שֶׁלֹּא הֵיטִיב עָשָׂה"- י.בּוּרְלָא/ כִּסּוּפִים, 224, וְכֵן:"הוֹאִיל וְאַרְחִיב עָלָיו אֶת הַדִּבּוּר בַּפְּרָקִים הַבָּאִים אַקְדִּים הַקְדָּמָה קְטַנָּה שֶׁלֹּא יְהֵא נִרְאֶה כְּאִלּוּ קָפַץ פִּתְאוֹם לְתוֹךְ הַסִּפּוּר"- עַגְנוֹן/ עַל כַּפּוֹת הַמַּנְעוּל, בִּנְעָרֵינוּ וּבִזְקֵנֵינוּ, 217)