OCOPETL(A)-TL fern / helécho (S) [(1)Bf.10r]. The literal meaning of this is 'pine-mat’ probably referring to ferns as ground cover in pine forests. See OCO-TL, PETL(A)-TL. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 176.