Word: dozing
Part of speech: Noun
Syllables: do
zing
Definition: A light sleep;  is, collectively, sleep stages 1–3, previously known as stages 1–4
Morphemes:
Affix: doze
Language: en
PoS: Noun
Meaning: A light, short sleep or nap.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form gerunds, a type of verbal nouns, from verbs.