may be rendered by the impersonal verb boe "it is necessary, one must, one is compelled to". *Boe ammen maethad "it compels [is necessary] for us to fight" = we must fight. (Boe is a suggested Sindarin form of ”Noldorin” bui, LR:372 s.v. MBAW)
Quenya
maurë
need
maurë noun "need" (MBAW)