先せん行こう技ぎ術じゅつMeaningsNoun1. prior art (patents)Kanji used先before (timewise)行go技skill術techniqueComposed of先せん行こうgoing ahead; going first; preceding; coming before; being ahead (e.g. of the times); occurring first; happening prior; scoring first; getting off to a lead; stalkerNoun技ぎ術じゅつtechnology; engineering; technique; skill; art; craftNoun