sweb
nounEtymology From Middle English swebben (“to sleep, swoon”), from Old English swebban (“to put to sleep, lull, kill”), from From Proto-West Germanic *swabbjan, from Proto-Germanic *swabjaną, *swēbijaną (“to lull, put to sleep”), from Proto-Indo-European *swep-, *sup- (“to sleep”). Cognate with Icelandic svefja (“to put to sleep, lull, soothe”), Latin sōpiō (“put to sleep, lull”, verb). Related to sweven.
Northern England, UK, Dialectal A swoon.