Teething is the painful weeks when a baby's teeth push through. Teething trouble, a teething ring, she is teething.
It causes dribbling, chewing and broken nights, and it does not cause fever, whatever is said — a baby with a temperature is ill rather than teething. Teething troubles is the standard phrase for the early faults in anything new.
1nounteethingThe painful weeks when a baby's teeth push through.
“Teething kept the baby awake all night, and she chewed on everything she could reach.”
teething is a stage.
From teethe + -ing.
Etymology from Wiktionary, CC BY-SA