出典:Wiktionary
From Middle English dretchen, drecchen, drechen, from 古期英語 dreċċan (“to vex, irritate, trouble, torment, torture, oppress, afflict”), from Proto-Germanic *drakjaną (“to torment”), from Proto-Indo-European *dʰrag-, *dʰragʰ- (“to bother, torment”). Cognate with Russian раздража́ть (razdražátʹ, “to irritate”), Sanskrit द्राघते (drāghate, “to exert oneself, be tired, torment”).
From Middle English dretchen, drecchen, drechen, from 古期英語 *dreċċan (“to draw out, delay, linger”), from Proto-Germanic *drakjaną (“to draw, pull”), from Proto-Indo-European *dʰreǵ- (“to pull, drag, scratch”). Cognate with Scots dratch, dretch (“to dawdle”), Dutch trekken (“to draw, pull, tear, pluck, trek”), German trecken (“to draw, trek”), Danish trække (“to draw, pull”), Norwegian dråk (“stripe”), Swedish dialectal drakig (“striped, streaked”), Icelandic rák (“streak”).