English
framestone
From frame + stone.
Proto-Indo-European *pró ‘toward, leading to’
…
Proto-Germanic *framjaną ‘to further, promote’
Proto-West Germanic *frammjan ‘to promote’
Old English fremman ‘to profit, avail, advance’
Middle English framen ‘to construct’
English frame
Proto-Indo-European *steyh₂- ‘to stiffen’
…
Proto-Germanic *stainaz
Proto-West Germanic *stain
Old English stān
Middle English ston ‘a stone’
English stone
Today it means
noun A solid calcareous or siliceous framework maintained by an organism such as a coral or sponge.
Language periods are conventional ranges, not dates for this word.
Etymograph / framestone