English
lakefill
From lake + fill.
Proto-Indo-European *pleh₁- ‘to fill’
…
Proto-Germanic *fullijaną ‘to make full’
Proto-West Germanic *fullijan ‘to fill’
Old English fyllan ‘to fill’
Middle English fillen ‘to fill up’
English fill
Today it means
noun Land reclaimed from a lake by filling it.
Language periods are conventional ranges, not dates for this word.
Etymograph / lakefill