English
lippage
From lip + -age.
A compound of lip + -age
Proto-Indo-European *leb- ‘to hang loosely, droop, sag’
Proto-Germanic *lepô
Proto-West Germanic *lippjō
Old English lippa
Middle English lippe
English lip
Today it means
noun An uneven surface of a floor that occurs when stone or tiles are not laid to a uniform level
Language periods are conventional ranges, not dates for this word.
Etymograph / lippage