Word: underproppers
Part of speech: Noun
Syllables: un
der
pro
ppers
Definition: Plural of underpropper;  terms used at different times for both the supporters and the various lace or linen collar styles to which they were attached
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: prop
Language: en
PoS: Noun
Meaning: An object placed against or under another, to support it; anything that supports.
Affix: -er
Language: en
PoS: Suffix
Meaning: Used to form nouns shorter than more formal synonyms.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).