Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
meyr
←
Proto-Germanic
*marwaz
(inherited)
←
Ancient Greek
ἀμαυρός
(mention)
←
Old Norse
meyrr
(inherited)
←
Russian
смурый
(mention)
←
Russian
хмурый
(mention)
→
English
mellow
(cognate)
→
Alemannic German
murw
(cognate)