English
frogstool
Compound of frog + stool.
Proto-Indo-European *prew- ‘to jump’
Proto-West Germanic *froggō
Old English frocga
Middle English frogge ‘a frog or toad’
English frog
Proto-Indo-European *steh₂- ‘to stand’
…
Proto-Germanic *stōlaz ‘chair’
Proto-West Germanic *stōl ‘stool, chair’
Old English stōl ‘chair, seat’
Middle English stool
English stool
Today it means
noun Synonym of toadstool (“inedible or poisonous mushroom”).
Language periods are conventional ranges, not dates for this word.
Etymograph / frogstool