English
subflooringsubflooring
From sub- + flooring.
Formed from sub- + flooring
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Proto-Indo-European *pleh₂ros
…
Proto-West Germanic *flōru
Old English flōr ‘pavement, floor’
Middle English flor ‘floor, foundation’
Middle English floring ‘making a floor’
English flooring
Today it means
noun A level of flooring below the main floor.
Sources
Sources: Wiktionary, “subflooring”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / subflooring
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