noun
sedge
Refers to plants of the sedge family (Cyperaceae), especially the genus Carex. Common in wetlands and often used in traditional thatching.
湿地にはスゲがたくさん生えている。
A lot of sedge grows in the marsh.
昔の屋根はスゲで葺かれていた。
Old roofs were thatched with sedge.
Kanji form is rare and may be confused with the surname 菅 (かん). The reading すが is obsolete.
The word is native Japanese. The kanji 菅 is a phono-semantic compound, but the exact derivation of the Japanese word is uncertain.