§ Máraher ’the good steward’ (WR:153) < Q. mára ’useful, fit, good (of things)’ in The Etymologies (MAG-), later ’good, as it should be, in right or proper form or state, in health, well’ < √MAGA (PE17:162, cf. VT42:33-34) + -her ’master’ < KHER- ’rule, govern, possess’
This is a passing name of later Mardil, the second stewart of Gondor.