anytime

Multiple Entries:
  anytime    any  

Concise Oxford English Dictionary © 2008 Oxford University Press:
anytime/ˈɛnɪtʌɪm/

▶adverb variant of any time (see any).

Concise Oxford English Dictionary © 2008 Oxford University Press:
any/ˈeni/

▶determiner & pronoun

• 1 used to refer to one or some of a thing or number of things, no matter how much or how many.

• 2 whichever of a specified class might be chosen.

▶adverb at all; in some degree (used for emphasis).

– phrases
any more (also anymore) to any further extent; any longer.
any road chiefly N. English anyway.
any time (also anytime) at whatever time.
any time (or day or minute) now informal very soon.
be not having any (of it) informal be unwilling to cooperate.

– origin OE ǣnig (see one, -y1), of Gmc origin.