66%RatingSave Gender Masculine Usage Old Norse [1] Meaning & HistoryExpand Links Old Norse name meaning "Thor's arrow" from the name of the Norse god Þórr (see Thor) combined with gísl "shaft, arrow". Related NamesFamily Tree·Details RootsÞórr + gíslOther Languages & CulturesTroels(Danish) Truls, Torgils(Norwegian) Truls(Swedish) Categories theophoric names, weapons Sources & References Viking Answer Lady Webpage, available from https://www.vikinganswerlady.com/ONNames.shtml.