celeg

adjective. swift, agile

celeg

adjective. swift, agile, hasty

celegorn

masculine name. *Swift-impetuous

cenedril

noun. looking-glass, mirror

hele

noun. glass

lhagr

adjective. swift, rapid

The form lhegin in the published Etymologies might be a misreading for lhegrin, see VT/45:25. As noted by Bertrand Bellet, the two forms are listed side by side, and they may simply be doublets, but it is also possible that we have here a singular followed by its plural.