From pre- + hand.
prehand (comparative more prehand, superlative most prehand)
- (nonstandard) Beforehand; at an earlier time.
1997 February 19, getsum, “warm balls”, in rec.sport.golf[1] (Usenet):I seen golf ball warmers before. They are not approved by the USGA, so I'm told. But getting back to heating up the golf ball. Heating them prehand would do you no good. You would have to heat them up prior to teeing up.
1998 November 4, Adam Gill, “Mediocre films”, in aus.films[2] (Usenet):I apologise prehand to all those non-Scots out there, but BRAVEHEART......................MEDIOCRE!!!!!
2000 October 13, Scott Keenan, “Is This Safe?”, in alt.marketing.online.ebay[3] (Usenet):i called my credit card company prehand to advise them that Im going to be spending a large amount
2008 January 15, Wankatoa, “Austin Fry's ad available online??”, in austin.general[4] (Usenet):Like all taxes proposed by pandering chickenshit avererage IQ cowardly office-seeking assholes, it's rigged prehand to fuck the middle and upper middle class and let the rich and poor off scot free.
2014 September 12, Pritpal Bedi, “Announcement: HbIDE Implements Harbour/xHarbour Debugger”, in comp.lang.xharbour[5] (Usenet):A project may contain sub-projects or mere libraries were sources contained in those libraries cannot be determined prehand and it rendered the whole process ineffective.