köken: From Old Japanese, from Proto-Japonic *sunku. Cognate with Northern Amami Ōshima 直ぐ (sïgu), Okinawan 直ぐ (sigu), Miyako 直ぐ (sugu), Yaeyama 直ぐ (sïgu), Yonaguni 直く゚ (chi'ngu). Likely derived from root verb form sugu. The expected adjectival or adverbial form would be sugi, but there is evidence for sugu used in this way in ancient eastern dialects. Notably, the modern verbs 過(す)ぎる (sugiru) and…