Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Catalan trenta
Proto-Indo-European *tri(d)ḱomt (inherited)
Latin trigintā (inherited)
Old Occitan trenta (inherited)

Catalan trenta-un (mention)
Catalan trenta-dos (mention)
Catalan trenta-tres (mention)
Catalan trenta-quatre (mention)
Catalan trenta-cinc (mention)
Catalan trenta-sis (mention)
Catalan trenta-set (mention)
Catalan trenta-nou (mention)
Catalan trentè (affix)
Catalan trenta-vuit (mention)
Catalan trenta-u (mention)