Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Gaeltacht
←
Irish
Gael
(affix)
←
Irish
-t-
(affix)
←
Irish
-acht
(affix)
←
Scottish Gaelic
Gàidhealtachd
(cognate)
←
Old Irish
goídelta
(cognate)
→
English
Gaeltacht
(borrowed)
→
German
Gaeltacht
(derived)
→
Irish
Breac-Ghaeltacht
(affix)
→
Scottish Gaelic
Gàidhealtachd
(cognate)