English
fissurate
From fissure + -ate (verb-forming suffix).
Formed from fissure + -ate
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
verb To have or develop fissures (typically referring to a broken thallus surface split by fine, narrow lines).
Language periods are conventional ranges, not dates for this word.
Etymograph / fissurate