Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
o
←
Irish
ó
(cognate)
←
Middle Irish
ó
(inherited)
←
Old Irish
ó
(inherited)
→
French
à
(link)
→
Scottish Gaelic
teàrnadair-o-theine
(mention)
→
Scottish Gaelic
saorsa o pheanas
(compound)