Where does “cryptomaterial” come from?

cryptomaterial (English) comes from English material, from Middle English material, from Late Latin materialis, from Latin māteria, from Latin māter, from Proto-Italic mātēr, from Proto-Indo-European méh₂tēr — mother.

cryptomaterial (English): Any material, such as documents or devices, used...

Definitions

  1. Any material, such as documents or devices, used...

Ancestry of “cryptomaterial”, step by step

cryptomaterial traces back through two separate lines of ancestry.

via English material

StepLanguageWordMeaning
1EnglishmaterialHaving to do with matter; consisting of matter;...
2Middle EnglishmaterialExtant in matter or having physical form;...
3Late Latinmaterialismaterial
4Latinmāteriamatter; material; component stuff; substance
5Latinmātermother female parent
6Proto-Italicmātērmother
7Proto-Indo-Europeanméh₂tērmother

via English crypto

StepLanguageWordMeaning
1EnglishcryptoA secret supporter or follower; Cryptography;...
Every word from Proto-Indo-European méh₂tērEvery word from Proto-Italic mātērEvery word from Latin māter