The 5-Second Trick For sea stories
Czech linguist Václav Machek proposes Slovak verb vrepiť sa 'persist with, thrust into', or its hypothetical anagram vperiť sa (in Czech, the archaic verb vpeřit means 'to thrust violently') as an etymological track record, and so interprets upír as 'a person who thrusts, bites'. I hugely recommend the edition introduced and edited by Carmen