Word: pernoctation
Part of speech: Noun
Syllables: per
noc
ta
tion
Definition: The action of walking about at night, especially as a vigil or watch; an instance of this.
Morphemes:
Affix: LL.
Language: en
Meaning: act of spending of the night 
Affix: -ion
Language: en
Meaning: suffix forming nouns indicating an action or process, or the result of an action or process
Etymology Compounds: Affix: -iō
Language: la
Decoded: -io
PoS: Suffix
Meaning: Used to form abstract nouns from verbs.