עַל־כַּפַּ֥יִם יִשָּׂא֑וּנְךָ פֶּן־תִּגֹּ֖ף בָּאֶ֣בֶן רַגְלֶֽךָ׃
They shall bear thee upon their hands, Lest thou dash thy foot against a stone.
Rashi on Psalms
lest...stumble Heb. תגף, lest it [your foot] stumble, and so every expression of נְגִפָה, acupir, azoper, to hit, strike against.