Etymology
1. From Middle English first, furst, ferst, fyrst, from Old English fyrest, from Proto-West Germanic *furist, from Proto-Germanic *furistaz (“first, foremost”), superlative of Proto-Germanic *furai, *furi (“before”), from Proto-Indo-European *preh₂- (“before”), from *per- (“before; first”), equivalent to fore + -est.
2. Cognates
3. Cognate with Scots first (“first”), Dutch voorste (“foremost, first”), vorst (“prince”), German Fürst (“chief, prince”, literally “first (born)”), Limburgish Vürsch (“prince”), Luxembourgish viischt (“anterior; forward”), Vilamovian fiyśt, fjəšt, fjyśt, fjyšt (“prince”), Danish and Norwegian Bokmål først (“first”), Faroese and Icelandic fyrstur (“first”), Norwegian Nynorsk fyrst, først (“first”), Swedish först (“first”); also Latin prīnceps (“first, foremost; chief”), Greek παρ’ (par’), παρά (pará, “despite; less”), Mycenaean Greek 𐀞𐀫 (pa-ro, “from”), Albanian parë (“first; chief, main”), Latgalian pyrmais (“first”), Latvian pirmais (“first; foremost”), Lithuanian pirmas (“first; primary”), Bulgarian пъ́рви (pắrvi), пръ́в (prắv, “first”), Czech and Slovak prvý (“first”), Macedonian прв (prv), први (prvi, “first”), Polish piersy, pierwszy, pirszy (“first”), Russian пе́рвый (pérvyj, “first”), Serbo-Croatian пр̑вӣ, pȓvī (“first”), Slovene prvi (“first”), Armenian հարավ (harav, “south”), Avestan 𐬞𐬀𐬎𐬭𐬎𐬎𐬀 (paᵘruua, “before, first”), Tocharian A pärwat (“first”), Tocharian B parwe (“first”), Sanskrit पूर्व (pūrva, “before”). See: Scots '
first'.