serum – English noun declension

Noun: serum

Singular	serum
Plural	serums; sera

Sample Sentences

Nouns inflected like serum

hemiscrotum, saeculum, stramonium, proscenium, dinotherium, quinquennium, ambulacrum, prolabium, preepisternum, coimperium, septennium, fulcrum, emporium, subminimum, mausolæum, mausoleum, serpentarium, triregnum, viaticum, megaannum, etc. (List truncated at 20 nouns)

Etymology

1. Etymology tree
2. Proto-Indo-European *ser-
3. Proto-Indo-European *sér-o-der.
4. Proto-Italic *serom
5. Latin serumder.
6. English serum
7. From Latin serum (“whey”). Cognates include French sérum, Spanish suero, Italian siere, siero, Portuguese soro. Doublet of suero. See: Latin Nouns 'serum', French Nouns 'sérum', Spanish Nouns 'suero', Italian Nouns 'siere', Portuguese Nouns 'soro'.