Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ἄγνωτος
←
Ancient Greek
ἀ-
(affix)
←
Ancient Greek
γιγνώσκω
(mention)
←
Ancient Greek
ἀγνώς
(mention)
←
Proto-Indo-European
*ǵneh₃-
(root)
←
Latin
īgnōtus
(cognate)
→
English
agnotology
(mention)
→
Ancient Greek
ἀγνώς
(mention)
→
Latin
ignotus
(cognate)
→
Tocharian B
aknātsa
(cognate)
→
Tocharian A
āknats
(cognate)