since time T equals minus infinity
A long time ago; for as long as anyone can remember; at the time that some particular frob was first designed. Usually the word "time" is omitted. See also time T; contrast epoch.
Nearby terms:
simultaneous shipment « Simware, Inc. « SINA « since time T equals minus infinity » Sinclair, Clive » Sinclair PC200 » Sinclair Radionics