Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *(s)ḱeh₃-

English shadow (derived)
English obscure (derived)
English hoar (derived)
German hehr (mention)
Persian سایه (root)
Persian سام (derived)
Irish ciar (mention)
Irish scáth (derived)
Scottish Gaelic ciar (mention)
Ancient Greek σκότος (inherited)
Ashokan Prakrit 𑀙𑀸𑀬𑀸 (root)
Konkani साव्ळी (root)
Latin obscurus (mention)
Marathi सावली (root)
German Low German Schaam (derived)
Maharastri Prakrit 𑀙𑀸𑀆 (root)
Sanskrit श्याम (mention)
Sanskrit श्येन (derived)
Old Irish scáth (derived)
Old Armenian ցիռ (mention)