LATIN DICTIONARYLexicon Latīnum
suffix · masculinesecond declension

-ārius1

-ārius m (genitive -āriī or -ārī, feminine -āria)
Classical[aː.ri.ʊs]Ecclesiastical[a.ri.us]

Meaning

  1. masculinemorpheme-er; Used to form nouns denoting an agent of use, such as a dealer or artisan, from other nouns.
    argentum (“silver”) + -ārius → argentārius (“banker”)
    avicula (“little bird”) + -ārius → aviculārius (“bird keeper”)

Origins

Nominalization of the above suffix.

Western Romance
  • French-ierfrom Old French -ier
  • French-erfrom Old French -ier
  • English-eerfrom Old French -ier
  • English-erfrom Old French -ier
  • Italian-ierefrom Old French -ier
  • Romanian-ierfrom Old French -ier
  • Catalan-erfrom Old Occitan -ier
  • Catalan-erafrom Old Occitan -ier
  • Occitan-ièrfrom Old Occitan -ier
  • Portuguese-eirofrom Old Galician-Portuguese -eiro
Elsewhere
  • Catalan-ari
  • English-ary
  • English-arian
  • German-är
  • German-ar
  • Occitan-ari
  • Portuguese-ário
  • Spanish-ario
  • Albanian-ar
  • Asturian-ariu
Eastern Romance
  • Romanian-ar
  • Romanian-ariu
  • Aromanian-ar
  • Aromanian-aru
  • Aromanian-ariu
Italo-Dalmatian
  • Italian-aio
  • Corsican-aghju
  • Sicilian-aru
suffixfirst/second-declension suffix
-ārius2
-ārius (feminine -āria, neuter -ārium)
Classical[aː.ri.ʊs]Ecclesiastical[a.ri.us]

Meaning

  1. morphemesuffixUsed to form adjectives from nouns or numerals.
    camera (“vault, arch”) + -ārius → camerārius (“climbing, creeping”)
    ordō (“line, row”) + -ārius → ordinārius (“ordinary, of the rank and file”)

Origins

From earlier Proto-Italic *-āzios (cf. Oscan 𐌔𐌀𐌊𐌓𐌀𐌔𐌉𐌀𐌔 (sakrasias) and Umbrian 𐌐𐌋𐌄𐌍𐌀𐌔𐌉𐌄𐌓 (plenasier)), formed from *-āso- (from PIE *-eh₂so-, cf. the Hittite appurtenance suffix -ašša-), extended with the relational adjectival suffix *-yós (“belonging to”).

Descendants
  • French-aire
  • Italian-ario

Quick answers

What does -ārius mean in Latin?
-ārius, a suffix, means “-er; Used to form nouns denoting an agent of use, such as a dealer or artisan, from other nouns.”.
How do you pronounce -ārius?
In classical Latin, [aː.ri.ʊs]; in ecclesiastical (church) Latin, [a.ri.us].