English
fissuration
From fissure + -ation.
Formed from fissure + -ation
Proto-Indo-European *bʰeyd- ‘to split’
…
Latin findō ‘to cleave, split, divide’
Latin fissūra ‘a cleft, chink’
Old French fissure
Middle English fissure ‘fissure, rupture’
English fissure
Today it means
noun The act of dividing or opening; the formation of a fissure.
Language periods are conventional ranges, not dates for this word.
Etymograph / fissuration