From Middle English *frist, frest, first, furst, from Old English fyrst, fierst, first (“period, space of time, time, respite, truce”), from Proto-Germanic *fristaz, *fristą (“date, appointed time”), from Proto-Indo-European *pres-, *per- (“forward, forth, over, beyond”). Cognate with North Frisian ferst, frest (“period, time”), German Frist (“period, deadline, term”), Swedish frist (“deadline, respite, reprieve, time-limit”), Icelandic frestur (“period”). See also first.
(third-person singular simple present frists, present participle fristing, simple past and past participle fristed)
From Middle English *fristen, frysten, fresten, firsten, from Old English *fyrstan (“to defer, delay, put off”), from fyrst, fierst, first (“period, space of time, time, respite, truce”). See Etymology 1. Cognate with Low German versten, German fristen (“to eke out”), Danish friste (“to sustain, support, experience, tempt”), Icelandic fresta (“to delay”).