'at

Alteration (apheresis) of that, attested since Middle English at, atte (“that”, relative pronoun). Compare Old Norse at (“that”, relative pronoun).

'at

1. (colloquial) Reduced form of that.

   What’s ’at? (meaning What is that?)

   I've never seen anything like ’at.

   ’At a boy!

• at (Northern England)

• atta

• T&A, T.A., T/A, TA, ta

• t

'at

1. third-person singular perfect indicative of 'o

   Gogs 'at hi꞉n.

   The dog barked.

• Zepeda, Ofelia (1983), A Tohono Oʼodham Grammar, Tucson: The University of Arizona Press, published after 1986