- sedge (n.)
- "coarse grass-like plant growing in wet places," Old English secg, from Proto-Germanic *sagjoz (cf. Low German segge, German Segge), from PIE root *sek- "cut" (cf. Old English secg "sword"), on notion of plant with "cutting" leaves (cf. etymological sense of gladiolus, and possible connection to Old Irish seisg, Welsh hesgreed "rush"). Often spelled seg, segg until present form triumphed early 1900s.