Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swahili
chuma
→
Bondei
chuma
(borrowed)
→
Kikuyu
cuma
(borrowed)
→
Luganda
ekyuma
(derived)
→
Meru
chuma
(borrowed)
→
Chichewa
chuma
(derived)
→
Rwanda-Rundi
icyuma
(borrowed)
→
Rwanda-Rundi
icuma
(borrowed)
→
Shona
chuma
(derived)
→
Swahili
uchumi
(affix)
→
Mwani
chuma
(borrowed)
→
Zimba
chuma
(borrowed)