Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
giel
←
Proto-Germanic
*gelwaz
(derived)
←
Proto-Indo-European
*ǵʰelh₃-
(root)
→
Luxembourgish
Eegiel
(compound)