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 *h₁éḱwos

→ English hippic (derived)
→ English Epona (derived)
→ English equiculture (derived)
→ Abkhaz аҽы (derived)
→ Avestan 𐬀𐬯𐬞𐬀 (inherited)
→ Aragonese yegua (derived)
→ Old English eoh (inherited)
→ Avar чу (derived)
→ Baluchi اسپ (inherited)
→ Baluchi اپس (inherited)
→ Greek ίππος (inherited)
→ Spanish yegua (derived)
→ Estonian hobune (mention)
→ Persian اسب (derived)
→ Finnish hepo (derived)
→ Irish each (inherited)
→ Scottish Gaelic each (inherited)
→ Mycenaean Greek 𐀂𐀦 (inherited)
→ Ancient Greek ἵππος (inherited)
→ Manx agh (inherited)
→ Hebrew היפופוטם (derived)
→ Hittite 𒀲𒆳𒊏𒍑 (mention)
→ Indonesian aswa (derived)
→ Icelandic jór (inherited)
→ Judeo-Tat гӀэсб (inherited)
→ Kalasha hãš (inherited)
→ Latin equus (inherited)
→ Laki اسب (inherited)
→ Lithuanian ašva (derived)
→ Old Norse jór (derived)
→ Ossetian ефс (inherited)
→ Old Persian 𐎠𐎿 (inherited)
→ Pali assa (derived)
→ Maharastri Prakrit 𑀆𑀲 (inherited)
→ Old Prussian aswinan (derived)
→ Pashto اس (inherited)
→ Portuguese equino (mention)
→ Romanian iapă (derived)
→ Sanskrit अश्व (inherited)
→ Old Irish ech (inherited)
→ Sinhalese අශ්වය (derived)
→ Tat əs (inherited)
→ Tocharian B yakwe (inherited)