תהילים נה:כג פירוש: רש״י

your burden Heb. יהבך, your burden. The Holy Spirit answers him thus.

and He will bear you Heb. יכלכלך. He will bear your burden, as (I Kings 8:27): “the heaven and the heaven of heavens cannot contain You (יכלכלוך). The expression of כלכול is rendered מסובר, bearing, in Targum Jonathan ben Uzziel.

to falter Heb. מוט, the faltering of the foot.