ˈəpsēˌdāzē interjection
also up-a-dai·sy -pəˌ- ; or ups-a-dai·sy -psəˌ- ; or up·see-dai·sy or up·si·dai·sy -sēˌ-
Etymology: irregular from up (I)
— used to express reassurance typically to a small child when it is being lifted
ˈəpsēˌdāzē interjection
also up-a-dai·sy -pəˌ- ; or ups-a-dai·sy -psəˌ- ; or up·see-dai·sy or up·si·dai·sy -sēˌ-
Etymology: irregular from up (I)
— used to express reassurance typically to a small child when it is being lifted
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012