Tearflian

According to the Old English Dictionary:

tearflian

p. ode To wallow, roll over :-- On eorðan forgnyden fǽmende hé tearflode (terflede, teorflede, later MSS.) elisus in terram uolutabatur spumans, Mk. Skt. 9, 20. [Cf. þe riȝt schul ryse to ryche reynyuge, Truyt and treget to helle schal terve, L. H. R. 207, 311. O. H. Ger. zerben (sih) to turn.] tearflian