Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latvian ir
← Old Church Slavonic єстъ (cognate)
← Ancient Greek ἄρα (cognate)
← Proto-Balto-Slavic *irā (mention)
← Proto-Balto-Slavic *ir (mention)
← Proto-Indo-European *esti (mention)
← Proto-Indo-European *esti (mention)
← Proto-Indo-European - (cognate)
← Proto-Indo-European *-r (mention)
← Proto-Indo-European *h₂r̥ (mention)
← Proto-Indo-European *h₂er- (derived)
← Lithuanian yrà (cognate)
← Lithuanian - (cognate)
← Lithuanian ẽsti (mention)
← Lithuanian aurè (cognate)
← Lithuanian - (cognate)
← Lithuanian ir (cognate)
← Latvian irād (mention)
← Latvian iraid (mention)
← Latvian irāg (mention)
← Latvian ir (mention)
← Latvian lai (link)
← Latvian lai (link)
← Latvian ar (cognate)
← Latvian ir (mention)
← Latvian kā (link)
← Latvian tā (link)
← Latvian gan (link)
← Latvian gan (link)
← Latvian arī (mention)
← Latvian pat (mention)
← Latvian arī (link)
← Latvian pat (link)
← Old Prussian ast (cognate)
← Old Prussian ir (cognate)
← Old Prussian er (mention)
← Russian есть (cognate)
← Sudovian - (cognate)
← Sudovian irm (mention)

→ Lithuanian ir (cognate)
→ Lithuanian yra (cognate)
→ Lithuanian yra (mention)
→ Latgalian i (cognate)
→ Latgalian ir (cognate)
→ Latvian ir (mention)
→ Latvian ir (mention)
→ Latvian un (mention)
→ Latvian un (mention)
→ Latvian nav (mention)
→ Latvian būt (mention)