Come, Holy Ghost, send down those beams; Veni Sancte Spiritus
Sequence for the feast of Pentecost and throughout the octave.
It was probably written by Pope Innocent III (1161-1216).
About 40 translations are in existence.
The English title given is by J Austin; the fourth verse reads:
Lord, wash our sinful stains away,
Refresh from heaven our barren clay,
Our wounds and bruises heal;
To Thy sweet yoke our stiff necks bow,
Warm with Thy fire our hearts of snow,
Our wand'ring feet repeal.
New Catholic Dictionary