English
jellycoat
From jelly + coat.
Proto-Indo-European *gel- ‘cold’
…
Latin gelo ‘to freeze, cause to congeal’
Early Medieval Latin gelāta
Old French gelee ‘cold spell’
Middle English gele ‘a jelly made from the stock of meats or a…’
English jelly
Proto-Germanic *kuttô ‘cowl, woolen cloth, coat’
Latin cotta ‘undercoat, tunic’
Old French cote ‘outer garment with sleeves’
Middle English cote ‘coat’
English coat
Today it means
noun The gelatinous coating on an egg.
Language periods are conventional ranges, not dates for this word.
Etymograph / jellycoat