teething
n.— «The Customs Union has a myriad of problems initially referred to as “teething,” but not any more. Three years on, some areas are yet to be fully smothered.» —“East Africa: Is EAC a Solution to the Problems in EA?” by Bobi Odiko in Kampala, Uganda East African Business Week Dec. 3, 2007. (source: Double-Tongued Dictionary)