noun (plural to-ings and fro-ings) Etymology: to and fro Date: 1847 a passing back and forth
TO-ING AND FRO-ING
Meaning of TO-ING AND FRO-ING in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012