Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
wu
←
Proto-Slavic
*u
(inherited)
→
Lower Sorbian
wu-
(mention)
→
Lower Sorbian
wucuś
(prefix)
→
Lower Sorbian
wumrěś
(prefix)
→
Lower Sorbian
wusmjerśiś
(prefix)
→
Lower Sorbian
wusmjerśowaś
(confix)