fusio

See also: fusió

Latin

Etymology

Formed by suffixation of fundō (“I pour out”, perfect stem: fūd-) +‎ -tiō, where the concatenation of the two dentals (d- + -t) forms a sibilant (s).

Pronunciation

• (Classical) IPA^(key): /ˈfuː.si.oː/, [ˈfuːs̠ioː]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈfu.si.o/, [ˈfuːs̬io]

Noun

fūsiō f (genitive fūsiōnis); third declension

1. a pouring out; an outpouring, effusion
2. a melting, founding, casting
3. a duty

Declension

Third-declension noun.

Case	Singular	Plural
Nominative	fūsiō	fūsiōnēs
Genitive	fūsiōnis	fūsiōnum
Dative	fūsiōnī	fūsiōnibus
Accusative	fūsiōnem	fūsiōnēs
Ablative	fūsiōne	fūsiōnibus
Vocative	fūsiō	fūsiōnēs

Descendants

• Inherited:
  • Old French: foison
    • Middle French: foison
      • French: foison
    • → Middle English: foisoun
      • English: foison
  • Old Occitan: foizon
  • Piedmontese: foson
  • Sicilian: fusiuni
• Borrowed:
  • → Catalan: fusió
  • → English: fusion
  • → French: fusion
  • → Galician: fusión
  • → Italian: fusione
  • → Occitan: fusion
  • → Piedmontese: fusion
  • → Portuguese: fusão
  • → Romanian: fuziune
  • → Spanish: fusión

References

• “fūsiō” on page 751/1 of the Oxford Latin Dictionary (1st ed., 1968–82)
• Walther von Wartburg (1928–2002) “fūsio”, in Französisches Etymologisches Wörterbuch (in German), volumes 3: D–F, page 913