English
landsick
From land + sick.
Proto-Indo-European *lendʰ- ‘land’
Proto-Germanic *landą
Proto-West Germanic *land ‘land’
Old English land
Middle English lond ‘an independent nation’
English land
Proto-Indo-European *sewg- ‘to be troubled or grieved’
Proto-Germanic *seukaz
Proto-West Germanic *seuk
Old English sēoc ‘sick’
Middle English sik ‘sick’
English sick
Today it means
adj Feeling nausea or dizziness on land, akin to seasickness except on land
Language periods are conventional ranges, not dates for this word.
Etymograph / landsick