-ugo

A metanalysis of aerūca + nasal suffix *-n- > *aerūgn- > *aerūgin- > aerūgō as aes + -ūgō. Compare -īgō (suffix forming nouns).^[1]

• (Classical Latin) IPA^(key): [ˈuː.ɡoː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈuː.ɡo]

-ūgō f (genitive -ūginis); third declension

1. Suffixed to nouns and to adjectives, forms nouns denoting thin or superficial coatings, films, layers, platings vel sim. of materials.

   ‎aes (oblique stem: aer-) + ‎-ūgō → ‎aerūgō

   ‎albus + ‎-ūgō → ‎albūgō

   ‎aurum + ‎-ūgō → ‎aurūgō

   ‎ferrum + ‎-ūgō → ‎ferrūgō

   ‎lāna + ‎-ūgō → ‎lānūgō

   ‎salsus + ‎-ūgō → ‎salsūgō

   ‎vesper + ‎-ūgō → ‎vesperūgō

Third-declension noun.

• “-ūgō” on page 2,053/1 of the Oxford Latin Dictionary (1st ed., 1968–82)