Sorry I can't supply the Greek, Jonathan, but FWIW here is the English:
"Gabriel, one of the holy angels, who is over Paradise and the serpents
and the Cherubim" (RH Charles, /The Book of Enoch/, SPCK, London, 1917,
page 46, 1 Enoch 20:7).
-- Revd Ben Crick, BA CF <ben.crick@argonet.co.uk> 232 Canterbury Road, Birchington, Kent, CT7 9TD (UK) http://www.cnetwork.co.uk/crick.htm