That suffix originates from Latin.
Very quiet/soft. In Italian piano means soft and the -issimo ending increases the intensity of the word.
Oh, dude, the Italian suffix "issimo" is like the granddaddy of all suffixes. It's basically the Italian way of saying "super" or "extremely." So, if you add "issimo" to a word like "bello" (beautiful), you get "bellissimo" (very beautiful). It's like adding a cherry on top of your gelato, you know what I mean?
Bellissima, for a most beautiful female; bellissimo, for a most handsome male. The superlative of the adjective is formed by taking the Italian word bello, and adding the superlative ending -issima or -issimo.
pianissimo. Piano means quiet and forte means loud in Italian. Add -issimo and you have "a little more quiet" or a little more loudly.
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Moltissimo! is an Italian equivalent of the English phrase "very much!" The adverb merges the adverb molto ("a lot," "lots, "much") with the superlative suffix -issimo("most," "very"). The pronunciation will be "mol-TEES-see-mo" in Italian.
Very
"Very fast" and "very quickly" are literal English equivalents of the Italian musical term prestissimo. The adverb in question combines the masculine singular adjective prestowith the suffix -issimo ("extremely," "very"). The pronunciation will be "preh-STEES-see-mo" in Italian.
In Italian, Spanish, Portuguese, and Catalan; the form of an adjective formed by adding the suffixes -issimo, -isimo, -íssimo, -érrimo, -imo, or -íssim to the adjective (with any final vowel dropped) to express a superlative that cannot be exceeded, having the sense "as ... as possible".
Preghissimo in response to a thanks and invitatissimo in an invitation are Italian equivalents of the English phrase "You are most welcome."Specifically, the word preghissimo is formed by adding the suffix -issimo ("most, very") to prego. The pronunciation is "preh-GHEES-see-moh." The feminine form, preghissima, is pronounced "preh-GHEES-see-mah."The masculine adjective invitatissimo is formed by adding the suffix -issimo to invitato. The pronunciation is "EEN-vee-tah-TEES-see-moh." The feminine form, invitatissima, is pronounced "EEN-vee-tah-TEES-see-mah."
"Super-flight" is an English equivalent of the Italian word volissimo. The masculine singular noun represents the combination of the masculine singular noun volo ("flight") and the superlative ending -issimo ("extremely," "most," "super," "ultra"). The pronunciation will be "vo-LEES-see-mo" in Italian.
"Most welcome" in terms of an invitation being extended is an English equivalent of the Italian word invitatissimo.Specifically, the masculine adjective invitatissimo is formed by adding the suffix -issimo to invitato. The pronunciation is "EEN-vee-tah-TEES-see-moh." The feminine form, invitatassima, is pronounced "EEN-vee-tah-TEES-see-mah."