Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
darumme
←
Cimbrian
darump
(doublet)
←
German
darum
(cognate)
←
Middle High German
[[dā|dā(r)]] [[umbe]]
(inherited)
←
Old High German
[[dār]] [[umbi]]
(inherited)
←
Dutch
daarom
(cognate)
←
Swedish
därom
(cognate)
→
Cimbrian
darump
(doublet)