Lutesco, lutescis, lutéscere. Ennius. To turne to clay: to ware bery durt.Limo cœnóque lutescunt. Colum.
Lewis and Short: Latin dictionary
lŭtesco, ĕre, v. inch. n. [2. lutum], to turn to mud, become muddy: litora, quae limo caenoque lutescunt, Col. 8, 17, 9: cava terra lutescit, Furius Antias ap. Gell. 18, 11; id. ap. Non. 133, 26.