Etymology From Middle English taven, from Old Norse *tafa, from Proto-Germanic *tabōn (“to grope, feel”). Cognate with Faroese tava (“to endeavour, exert oneself”), Norwegian Nynorsk tava (“to toil in vain”), German zabeln (“to move convulsively, sprawl, flounder”).
Etymology From Middle English taven, from Old Norse *tafa, from Proto-Germanic *tabōn (“to grope, feel”). Cognate with Faroese tava (“to endeavour, exert oneself”), Norwegian Nynorsk tava (“to toil in vain”), German zabeln (“to move convulsively, sprawl, flounder”).