Grant power of attorney to .../ to authorize/ empower/ appoint as attorney/ It will beautify the power of...(It will beautify power)
To appoint someone as an agent; to authorize someone to represent another person or to perform legal acts on their behalf (originally: any addition that gives force or validity).
("A deathly ill person who said, ‘Write and give a maneh to so-and-so,’ and he died — they do not write and give it, lest he did not fully intend to transfer it except by deed..." — answer: this is not difficult: when he granted power of attorney to his agent" — Bava Batra 152a, and: "The merchant gave him power of attorney over all his business affairs" — Agnon, A City and Its Fullness, 341)
Translation
Expression (Hebrew)
יִיפָּה אֶת כּוֹחוֹ שֶׁל...(יִיפּוּי כֹּחַ)
Definition (Hebrew)
מִינָּה אֶת...כְּשָׁלִיחַ. הִסְמִיךְ אֶת...לְיַיצֵּג אוֹ לַעֲשׂוֹת פְּעֻולּוֹת מִשְׁפָּטִיּוֹת (בַּמָּקוֹר: תּוֹסֶפֶת כָּלְשֶׁהִי שֶׁבָּאָה לָתֵת אוֹ לְהוֹסִיף תֹּקֶף).
("שְׁכִיב מְרַע שֶׁאָמַר כִּתְבוּ וּתְנוּ מָנֶה לִפְלוֹנִי, וּמֵת - אֵין כּוֹתְבִין וְנוֹתְנִין, שֶׁמָּא לֹא גָּמַר לְהַקְנוֹתוֹ אֶלָּא בִּשְׁטָר...לָא קַשְׁיָא: בִּמְיַפֶּה אֶת כֹּחוֹ"- בָּבָא בָּתְרָא קנב ע"א, וְכֵן:"נָסַע הַבָּחוּר לְמַסָּעָיו בִּשְׁלִיחוּת אֲדוֹנָיו...נָתַן לוֹ הַסּוֹחֵר יִפּוּי כֹּחַ בְּכָל עֲסָקָיו"- עַגְנוֹן/ עִיר וּמְלוֹאָהּ, 341)