English
filterware
From filter + -ware.
Formed from filter + -ware
Proto-Indo-European *pel-
Proto-Germanic *fellą ‘skin, hide’
Proto-West Germanic *felt
Medieval Latin filtrum ‘felt’
Middle English filtre
English filter
Today it means
noun Software that filters out objectionable material.
Language periods are conventional ranges, not dates for this word.
Etymograph / filterware