What is the meaning of -ida?

Used to form taxonomic names at the level of class or higher

Reflexive verb ending.

Romanization of -𐌹𐌳𐌰

-ide

  1. Any of a group of related compounds - azide, polysaccharide, glycoside.
  2. A binary compound - bromide, arsenide, palladide.

Any of a group of related compounds - azide, polysaccharide, glycoside.

A binary compound - bromide, arsenide, palladide.

used to form abstract nouns from adjectives

-ide

feminine singular of -ido

Source: wiktionary.org