It is based on John 1:14, "And the Word became flesh and lived among us, and we have seen his glory."
The hymn was originally published in 1969 in Quinn's first collection, Hymns for All Seasons.
With meter 126.96.36.199.8.8, it is almost always set to the tune LIEBSTER JESU composed by Johann Rudolph Ahle (1625-1673).
Church coir with organ and woodwinds:
University choir with organ backing
Instrumental - organ:
LyricsThe lyrics are copyright so cannot be reproduced here. But they are currently available on this website.
A rough outline is
1 Word of God, come down on earth, living rain from heaven descending:
2 Word eternal, throned on high, Word that brought to life creation,
3 Word that caused blind eyes to see, speak and heal our mortal blindness
4 Word that speaks God's tender love, one with God beyond all telling ...