Meaning

noun a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field

originFrom Middle English fetten, feten, from Old English fetian, fatian (“to bring, fetch”), probably a conflation of Proto-West Germanic *fetan, from Proto-Germanic *fetaną (“to go”), from Proto-Indo-European *ped- (“to walk, stumble, fall”); and Proto-West Germanic *fatōn, from Proto-Germanic *fatōną (“to hold, seize”), also from Proto-Indo-European *ped-. Cognate with Dutch vatten (“to catch,…

Etymology from Wiktionary, CC BY-SA 3.0