[‹ NL Estrildidae, equiv. to Estrild(a) the type genus (from the Linnaean specific name Astrild ‹ Sw: the god of love, literary coinage based on ON ástareldr lit., love-fire; the bird was appar. so named from its red bill) + -idae -id2]-id is a suffix occurring in English derivatives of modern Latin taxonomic names, esp.zoological families and classes; such derivatives are usually nouns denoting a singlemember of the taxon or adjectives with the sense “pertaining to” the taxon. Otherwords that use the affix -id include: arachnid, canid