filtered
UK[ˈfɪltəd]US[ˈfɪltərd]
adj
(of a substance, light, sound, or information) having passed through a device or process that removes unwanted material or elements.
v
(past tense and past participle of 'filter') to have passed through a filter; to have removed unwanted elements.
Morpheme Breakdown
filt
er
ed
filt
to strain
er
agent/instrument suffix
ed
past participle/adjective suffix
Etymology
The word 'filtered' traces its lineage to the Medieval Latin 'filtrum', meaning 'felt', a porous textile used for straining liquids. This Latin term likely has Germanic origins, possibly related to Old High German 'filz', also meaning felt. The core concept of straining or percolating through a porous substance gave rise to the verb 'filter' in English, with the '-ed' suffix then creating the participial adjective. Thus, the modern term 'filtered' logically retains the sense of having undergone a process of selective passage, whether applied to physical substances, light, sound, or abstract information.
Analysis
Structure: filt (to strain) + er (agent/instrument suffix) + ed (past participle/adjective suffix)
- filt: A root derived from Medieval Latin 'filtrum' (felt used as a filter), referring to the material or action of straining.
- er: An English agent or instrument suffix, indicating the thing that performs the action.
- ed: An English suffix forming the past tense and past participle of verbs, or adjectives from verbs.
Examples
The filtered water tasted clean and fresh.
Sunlight filtered through the dense canopy of leaves.
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