Idioms for once

Origin of once

before 1150; Middle English ones, Old English ānes, orig. genitive of ān one; replacing Middle English enes, Old English ǣnes once, equivalent to ǣne once (orig. instrumental of ān) + -es adv. suffix; see -s1

British Dictionary definitions for once in a while

once
/ (wʌns) /

adverb

conjunction

(subordinating) as soon as; if ever or whenever once you begin, you'll enjoy it

noun

Word Origin for once

C12 ones, ānes, adverbial genitive of on, ān one

Idioms and Phrases with once in a while (1 of 2)

once in a while

Occasionally, not very often, as in Once in a while I enjoy going fishing. [Mid-1800s] Also see every now and then; from time to time.

Idioms and Phrases with once in a while (2 of 2)

once