Teethe is often used metaphorically to mean to pass through early stages of development. This sense is especially common in phrases such as teething problems and teething troubles, referring to early difficulties in a growth or development process.
That is why it can be so hard to watch a child teethe, as it is a painful process you can do little about. [Guelph Mercury]
Like human babies, puppies teethe on things. [Four Paws from Heaven]
More important, when a player who teethed in MLS goes abroad and does well, it encourages foreign coaches to look closely at other talent in the league. [Forbes]
Even now, it causes me pain to think of her ending up being used as a teething ring for some snotty toddler. [Stuff.co.nz]
But how can we ensure these are teething problems and do not portend greater turmoil? [Financial Times]
At 8 months to a year, a baby can sit up, can handle finger foods, and begins to teethe. [Nutrition, Frances Sizer, Ellie Whitney]
This can partly be put down to teething problems after 11 years in opposition and a ”go slow” strategy designed to extend the political cycle. [Sydney Morning Herald]