Answer: ensheathe

AnswerCrossword Clue
ENSHEATHECover, as a sword
ENSHEATHEWrap
ENSHEATHECover, as a nerve fiber
ensheatheEnclose (an organism, tissue, structure, etc.) in or as in a sheath
ensheatheto enclose as in a sheath also ENSHEATH, INSHEATH, INSHEATHE