English
ladderproof
From ladder + -proof.
Formed from ladder + -proof
Proto-Indo-European *ḱley- ‘to lean’
Proto-Germanic *hlaidrijō
Proto-West Germanic *hlaidriju
Old English hlǣder ‘ladder’
Middle English ladder ‘ladder’
English ladder
Today it means
adj Resistant to the formation of ladders (lengths of unravelled fabric).
Language periods are conventional ranges, not dates for this word.
Etymograph / ladderproof