Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Déif
←
Proto-Germanic
*þeubaz
(inherited)
←
Old High German
(inherited)
←
Old High German
thiob
(mention)
←
Old High German
diob
(mention)
→
Luxembourgish
déif
(mention)
→
Luxembourgish
Täschendéif
(compound)