English
gainseeking
From gain + seeking.
Proto-Indo-European *ḱóm ‘next to’
…
Proto-Germanic *gagana ‘back’
Proto-Germanic *gagną
Old Norse gagn ‘benefit’
Middle English gayn ‘profit’
English gain
Today it means
adj Seeking wealth or other personal benefit.
Language periods are conventional ranges, not dates for this word.
Etymograph / gainseeking