Hebrew

māˁōn - refuge; habitation (BDB 732)

The distinction between ˁōn I ‘help, assistance’ and ˁōn II ‘dwelling’ introduced in HALOT 610, where the two terms are traced to different WS roots, does not seem well-founded 

PCS
*ˁwn - to help, to aid (Renfroe 1992:22‒24; Kogan 2015: 323)