לֹא־תִ֭ירָא מִפַּ֣חַד לָ֑יְלָה מֵ֝חֵ֗ץ יָע֥וּף יוֹמָֽם׃
Thou shalt not be afraid of the terror by night, Nor of the arrow that flieth by day;
Rashi on Psalms
the arrow that flies by day the demon that flies like an arrow.
לֹא־תִ֭ירָא מִפַּ֣חַד לָ֑יְלָה מֵ֝חֵ֗ץ יָע֥וּף יוֹמָֽם׃
Thou shalt not be afraid of the terror by night, Nor of the arrow that flieth by day;