English
fishstock
fish + stock
Proto-Indo-European *piskós
Proto-Germanic *fiskaz
Proto-West Germanic *fisk
Old English fisċ
Middle English fisch ‘an animal that inhabits the water or the meat…’
English fish
Proto-Germanic *stukkaz ‘tree-trunk’
Proto-West Germanic *stokk
Old English stocc ‘log, trunk’
Middle English stok ‘tree trunk’
English stock
Today it means
noun The fish living in a particular body of water.
Language periods are conventional ranges, not dates for this word.
Etymograph / fishstock