Meaning

noun a physiological need to drink

noun strong desire for something (not food or drink)

verb feel the need to drink

originEtymology tree Proto-Indo-European *ters- Proto-Indo-European *-tus Proto-Indo-European *térstus Proto-Germanic *þurstuz Proto-West Germanic *þurstu Old English þurst Old English þyrstaninflu. Middle English thirst English thirst From Middle English thirst, thurst, from Old English þurst, from Proto-West Germanic *þurstu, from Proto-Germanic *þurstuz, from Proto-Indo-European *ters- (“dry”).…

Etymology from Wiktionary, CC BY-SA 3.0