Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hindi
सिर
←
Avestan
𐬯𐬁𐬭𐬀
(cognate)
←
Persian
سر
(cognate)
←
Hindi
सर
(doublet)
←
Sauraseni Apabhramsa
सिरु
(inherited)
←
Middle Persian
𐭫𐭥𐭩𐭱𐭤
(cognate)
←
Sauraseni Prakrit
𑀲𑀺𑀭
(inherited)
←
Sanskrit
शिरस्
(inherited)
→
Hindi
सर
(doublet)
→
Hindi
सिरा
(doublet)
→
Hindi
सिरदर्द
(compound)