English

flatsedge

From flat + sedge.

A compound of flat + sedge

Proto-Germanic *flataz ‘flat’

Old Norse flatr ‘flat, level’

Middle English flat ‘level’

English flat

Proto-Indo-European *sek- ‘to cut, cut off, sever’

Proto-Germanic *sagjaz

Proto-West Germanic *sagi

Old English seċġ

Middle English segge

English sedge

Today it means

noun Any of various sedges in the genus Cyperus.

Language periods are conventional ranges, not dates for this word.

Etymograph / flatsedge