Noldorin 

heltha-

verb. to strip

The form helta- in the Etymologies is a misreading according to VT/46:14

Noldorin [Ety/386, VT/46:14] Group: SINDICT. Published by

heltha-

verb. to strip, to strip, *flay, peel skin; *to despoil, make bare

Noldorin [Ety/SKEL; EtyAC/SKEL] Group: Eldamo. Published by