The same as nuwach; rest; Noach, the patriarch of the flood -- Noah.
see HEBREW nuwach
H5146. Noach
נֹחַ46 proper name, masculine Noah (Nabataean proper name נוח Lzb322, Syriac proper name MeissnVOJ viii, (1894), 303 near the end (No. 116)); — Genesis 5:29 (where traditional etymology), + 40 t. Genesis 5-10 (not in E D); 1 Chronicles 1:4; וְאִיּוֺב דָּנִאֵל נֹחַ Ezekiel 14:14, 20; נֹחַ מֵי = flood Isaiah 54:9 (twice in verse); ᵐ5 Νωε. — On history of interpretion of name see GoldziherZMG xxiv. (1870), 207 ff.