Morpheme
-ella
Type
suffix
Denotation
diminuative suffix, taxonomic suffix naming bacteria genera
Etymology
Catalan -ella; Latin -ella, from -ellus, variant of -ulus from rebracketing of diminutives (e.g. libellus from liber + -lus, fēmella from fēmina + -la) and diminutives of diminutives (porcellus from porculus + -lus), from -lus
Evidence
Asterella, Cinderella, Columbella, doncella, donzella, novella, orchella, Passerella, rubella, salmonella, Urbanella