English
marginalistic
From marginal + -istic.
Formed from marginal + -istic
Proto-Indo-European *mórǵs ‘boundary, border’
Latin margō ‘margin’
Medieval Latin marginālis
English marginal
Today it means
adj Tending towards marginalism; having the characteristic of being marginal.
Language periods are conventional ranges, not dates for this word.
Etymograph / marginalistic