From Japanese 信 (nobu) meaning "trust" or 陳 (nobu) meaning "display, exhibit" combined with 重 (shige) meaning "layers, folds", 繁 (shige) meaning "flourishing, luxuriant", 茂 (shige) meaning "lush, luxuriant" or 成 (shige) meaning "become, do". Other kanji combinations can form this name as well.