aptenodytes

From Ancient Greek ἀ- (a-, “not”) +‎ Ancient Greek πτηνός (ptēnós, “flying”) +‎ Ancient Greek δῠ́της (dŭ́tēs, “diver”).

(Classical Latin) IPA(key): [ap.teːˈnɔ.dy.teːs]

• (modern Italianate Ecclesiastical) IPA^(key): [ap.teˈnɔː.di.tes]

aptēnodytēs m (genitive aptēnodytis or aptēnodytae); variously declined, third declension, first declension

1. (New Latin) penguin

   Synonym: sphēniscus

Third-declension noun or first-declension noun (masculine, Greek-type, nominative singular in -ēs).