Stumbled upon this:
from
http://en.wikipedia.org/wiki/Nehalennia
"
In phonetic comparisons with other names in the region, Jacob Grimm
discussed how "Neha-" is also used as suffix for plural females
(i.e., -nehis, -nehabus), possibly meaning something like "nymphs"
or "mothers".[7]
"
(cf.
http://en.wikipedia.org/wiki/Nordwestblock)
Basque neska "girl"
(Aquitanian too? I don't have "The History of Basque" here)
Torsten