בְּ֭ךָ בָּטְח֣וּ אֲבֹתֵ֑ינוּ בָּ֝טְח֗וּ וַֽתְּפַלְּטֵֽמוֹ׃
In Thee did our fathers trust; they trusted, and Thou didst deliver them.
Radak on Psalms
Our fathers trusted in Thee: They trusted: – for many times did our fathers trust in Thee,
Radak on Psalms
and Thou didst deliver them – from their trouble, and their confidence did not prove false. The repetition of trusted is (intended) to emphasise the (thought of) confidence, for they had confidence in none other but in Thee; and so