An Etymological Dictionary of Astronomy and Astrophysics

However, notwithstanding, in spite of, still.

Etymology (EN): M.E. natheles, notheles, natheless, from O.E. neuerþeles, that is → never +
the “in or by that,” “on that account,” “in or by so much,” + less→ -less, cf. Fr. néanmoins = pas moins; Ger. nichtsdestoweniger.

Etymology (PE): Hagarzkam, from hagarz, → never, + kam “less,” → -less.