כִּֽי־תִפְאֶ֣רֶת עֻזָּ֣מוֹ אָ֑תָּה וּ֝בִרְצֹנְךָ֗ תרים [תָּר֥וּם] קַרְנֵֽנוּ׃
For Thou art the glory of their strength; And in Thy favour our horn is exalted.
Rashi on Psalms
and with Your favor that You are appeased by them (apayement in Old French), propitiation.