Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Bréif
←
Old High German
briaf
(derived)
←
Latin
brevis
(derived)
→
Luxembourgish
Bréifkëscht
(compound)