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Caŋa 1:
Ɩtrɩyɔm kɛ kpɛlɩ kpɛlɛkʊʊ tɛ pʊtʊ weyi ɛ-ñʊʊ mayaɣ kɔyɔ 39 nɛ yʊsaɣ ñɩŋa yɔ Y. Ɩtrɩyɔm kɛ ɖɛzɩɣ pʊtʊ weyi ɛwɛ ñɩɣlɩm tɩyɛ, ɛwɛtʊ wɛ ɖɔɖɔ ɛzɩ lantande waa, nɛ tɔm kɛdɩtʊ paɣtʊ taa lɛ paɖʊ-ɩ kɛɖɛɖaɣ tɛtʊ naa taa, ɛ nɛ [[sɩkandɩyɔm]] nɛ lantanide waa. Ɛjaɖɛ taa lɛ, ɛkatɩ-ɩ ɛzɩ ɛwɛʊ ɛ-ɖɩlɩyɛ taa yɔ ɛlɛ nabʊyʊ taa lɛ pɛkpɛndɩɣ ɛ nɛ lantanide waa ñɩɣlɩm kɛtɛɖaɣ tɛtʊ naa taa. Ɛ-tɛ ɖiɣdiɣ agbele kʊyʊm 89Y eyeke koŋ ɖɔɖɔ mbʊ.
Pɩnaɣ 1789 Johan Gadolin lɩ ɩtrɩyɔm yɔɔ ɛlɛ ɛwɛ kalɩkɔdaɣ yɔɔ kɛ gadolinite cɛbɩyaɣ nakɛyɛ taa, kaka yɔɔ Carl Axel Arrhenius lɩna kɔyɔɔ. Anders Gustaf Ekeberg ya kalɩkɔdaɣ kɩfalaɣ ŋga se yttria. Palɩzɩ-ɩ eyeke kajalaɣ ɖeɖe pɩnaɣ 1828 pɩtɩŋna Friedrich Wöhler.
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