Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek ἰδέα
← Ancient Greek εἶδος (mention)
← Proto-Hellenic *widéhā (inherited)
← Proto-Indo-European *weyd- (root)
← Proto-Indo-European *widéseh₂ (inherited)
← Proto-Indo-European *wéydos (mention)
← Proto-Indo-European *weyd- (mention)

→ English idea (derived)
→ English ideo- (derived)
→ English ideasthesia (mention)
→ Asturian idea (derived)
→ Bulgarian идея (derived)
→ Catalan idea (derived)
→ Czech idea (derived)
→ Danish idé (derived)
→ German Idee (derived)
→ Greek ιδέα (mention)
→ Spanish idea (derived)
→ Estonian idee (derived)
→ Finnish idea (derived)
→ Irish idé (derived)
→ Galician idea (derived)
→ Ancient Greek γενεά (mention)
→ Ancient Greek ἰδανός (mention)
→ Hungarian idea (derived)
→ Indonesian ide (derived)
→ Ido ideo (derived)
→ Italian idea (derived)
→ Japanese イデア (borrowed)
→ Kazakh идея (derived)
→ Latin idea (derived)
→ Latin idea (derived(la/mt))
→ Latin idealis (derived)
→ Latvian ideja (derived)
→ Macedonian идеја (derived)
→ Malay idea (derived)
→ Norwegian Bokmål idé (derived)
→ Dutch idee (derived)
→ Norwegian Nynorsk idé (derived)
→ Norman idée (derived(nrf/fr))
→ Norman idée (derived)
→ Polish idea (derived)
→ Portuguese ideia (derived)
→ Romanian idee (derived)
→ Russian идея (borrowed)
→ Serbo-Croatian ideja (derived)
→ Serbo-Croatian идеја (derived)
→ Slovak idea (derived)
→ Swedish idé (derived)
→ Silesian idyjŏ (derived)