Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Aasch
←
Proto-Germanic
*arsaz
(derived)
←
Old High German
ars
(derived)
→
Luxembourgish
Aaschbak
(compound)
→
Luxembourgish
Aaschbrigel
(compound)
→
Luxembourgish
Aaschdaarm
(compound)
→
Luxembourgish
Aaschfuer
(compound)