English
leachable
From leach + -able.
Formed from leach + -able
Proto-Germanic *lēkijō ‘a leak, drain, flow’
Old English *lǣċ
Middle English leche ‘leachate’
English leach
Today it means
adj Capable of leaching or of being leached
Language periods are conventional ranges, not dates for this word.
Etymograph / leachable