Enter the sanctuary
Enter the holy place. By extension: to begin dealing with matters of holiness.
("And Aaron shall bear the names of the children of Israel in the breastplate of judgment upon his heart, when he enters the sanctuary, for a memorial before the Lord continually"—Exodus 28:29, and similarly: "He should know well that strict conditions and difficult corrections are required from one who enters the sanctuary"—Y. Burla / Longings, 168)
Translation
Expression (Hebrew)
בָּא אֶל הַקֹּדֶשׁ
Definition (Hebrew)
נִכְנַס אֶל הַמָּקוֹם הַקָּדוֹשׁ. בְּהַשְׁאָלָה: הָחֵל לַעֲסֹק בְּעִנְיְנֵי קְדֻשָּׁה.
("וְנָשָׂא אַהֲרֹן אֶת שְׁמוֹת בְּנֵי יִשְׂרָאֵל בְּחֹשֶׁן הַמִּשְׁפָּט עַל לִבּוֹ בְּבֹאוֹ אֶל הַקֹּדֶשׁ לְזִכָּרֹן לִפְנֵי ה' תָּמִיד"- שֵׁמוֹת כֹּחַ כט, וְכֵן:"יֶדַע נְכוֹנָה שֶׁתְּנָאִים חֲמוֹרִים וְתִקּוּנִים קָשִׁים נִדְרָשִׁים מִן הַבָּא אֶל הַקֹּדֶשׁ"-י.בּוּרְלָא/ כִּסּוּפִים, 168)