Crustose
/ˈkrʌs.toʊs/noun
Having the form of a crust or a thin, tightly attached layer, especially in biology.
Did you know?Crustose is a scientific adjective built from Latin *crusta* (“hard outer layer, crust”), the same ancient root behind words for shell-like surfaces and hardened coverings.
Etymological Timeline
Proto-Indo-European
PIE
?
“A reconstructed root meaning to freeze, harden, or form a hard surface.”
Latin
Latin
crusta
“A crust, hard outer layer, rind, or shell.”
Late Latin
Latin
crustosus
“Full of crust; crusty, covered with a crust.”
Middle French
French
crustose
“Crust-like; having a crusty surface.”
Modern English
English
crustose
“Having the form of a crust or a thin layer tightly adhering to a surface.”
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