He sacrificed himself on...
He sacrificed his soul for..., he consecrated his all for...
("How can there be no words of the Torah that are fulfilled except in those who are dead to it? As it is said (in the wilderness 19:11): This is the Torah, for man shall die in his tent" - Blessings 33b)
Translation
Expression (Hebrew)
הֵמִית עַצְמוֹ עַל...
Definition (Hebrew)
הִקְרִיב אֶת נַפְשׁוֹ לְמַעַן..., הִקְדִּישׁ אֶת כֻּלּוֹ לְמַעַן...
("מִנַּיִן שֶׁאֵין דִּבְרֵי תוֹרָה מִתְקַיְּמִין אֶלָּא בְּמִי שֶׁמֵּמִית עַצְמוֹ עָלֶיהָ?שֶׁנֶּאֱמַר (בַּמִּדְבָּר יט יָד): זֹאת הַתּוֹרָה אָדָם כִּי יָמוּת בְּאֹהֶל"- בְּרָכוֹת סג ע"ב)