אֶזְכְּרָ֣ה אֱלֹהִ֣ים וְאֶֽהֱמָיָ֑ה אָשִׂ֓יחָה ׀ וְתִתְעַטֵּ֖ף רוּחִ֣י סֶֽלָה׃
When I think thereon, O God, I must moan; When I muse thereon, my spirit fainteth. Selah .
Rashi on Psalms
I remember God The kindness that He used to do for me in the days of my love.
Rashi on Psalms
and my spirit becomes faint Pasmer in Old French, to faint or swoon.