Word: protostomes
Part of speech: Noun
Syllables: pro
to
stomes
Definition: Plural of protostome; arthropods, molluscs, and tardigrades
Morphemes:
Affix: proto-
Language: en
PoS: Prefix
Meaning: most recent common ancestor (often hypothetical) of
Affix: -stome
Language: en
PoS: Suffix
Meaning: mouth or mouth-like opening
Etymology Compounds: Affix: στόμα
Language: grc
Decoded: stoma
PoS: Noun
Meaning: mouth (especially as the organ of speech)
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).