English
shellproof
From shell + -proof.
A compound of shell + -proof
Proto-Indo-European *(s)kelH- ‘to cut, split’
Proto-Germanic *skaljō ‘shell, husk’
Proto-West Germanic *skallju
Old English sċiell
Middle English schelle
English shell
Today it means
adj Resistant to shelling.
Language periods are conventional ranges, not dates for this word.
Etymograph / shellproof