"it" and "ita" are abbreviations for the word "Italian." The two abbreviations respectively illustrate the two-letter and three-letter International Organization for Standardization ISO 639 language codes. They also may be found elsewhere for abbreviations regarding Italy and the Italian language and people.
The word 'signor' is Italian for 'sir, mister, gentleman'. Its abbreviation in Italian is Sig. The word 'signora' is Italian for the title of 'Mrs' of 'Ms'. Its abbreviation is 'Sig.a'.
It is a common abbreviation for 'Italian'. It's based on the first two letters of the word. The two letters are the beginning letters for the word in a number of languages. So the abbreviation works under a number of situations, in a number of different languages.
Sig. is the abbreviation for the Italian word signore. The abbreviation translates into English as "Mr." since it shortens the masculine singular noun for "gentleman," "mister" or "sir." The pronunciation will be "see-NYO-rey" in Italian.
Italian 'work'. An abbreviation of 'opera in musica'.
"Dr." is an English equivalent of the Italian word Dott.ssa. The feminine singular noun in question serves as an abbreviation for Dottoressa ("female doctor"). The pronunciation will be "DOT-tsa" for the abbreviation and "DOT-to-RES-sa" for the full word in Italian.
Sig. is the abbreviation for the Italian word signor. The masculine singular noun, which tends to be signor when followed by a name and signore when not, translates as "gentleman," "Mister," "Mr." and "sir" in English. The pronunciation will be "seeg" for the abbreviation and "see-NYO-rey" for the complete word in Pisan Italian.
The Italian word for ounce used to be spelled 'onza', so 'oz.' is an abbreviation for this spelling.
The abbreviation of de is d' usually used in French, Italian or Spanish when the next word begins with a vowel.
Numéro ( actually a word borrowed from Italian) is abbreviated No.
Fra is one such title. This may be obsolete or apply only to priests. I think padre is the usual word for father.
The abbreviation used for million is MM. This abbreviation is frequently used within financial contexts. The word million itself is derived from early Italian.
One explanation is from the Latin origin of the word. In Italian the word for ounce is onza (meaning one twelfth), therefore, we use oz as the abbreviation even though we have changed the word into English. Similarly the abbreviation for pound is lb. Again from Latin origin, libra.