English
scoriform
From scoria + -form.
A compound of scoria + -form
Proto-Indo-European *sekH- ‘to separate, cut off, distinguish’
…
Proto-Hellenic *skṓr
Ancient Greek σκῶρ ‘dung’
Ancient Greek σκωρία ‘slag, dross of metal, scoria’
Latin scōria ‘slag, dross, scoria’
English scoria
Today it means
adj resembling scoria
Language periods are conventional ranges, not dates for this word.
Etymograph / scoriform