a rope, chain, or the like, by which an animal is fastened to a fixed object so as to limit its range of movement.
the utmost length to which one can go in action; the utmost extent or limit of ability or resources.
verb (used with object)
to fasten or confine with or as if with a tether.
Digital Technology. to use (an electronic device, usually a smartphone or tablet) to enable a wireless Internet connection on another nearby device, often a laptop: There's no wi-fi, so I'll have to tether my phone to my laptop.
verb (used without object)
Digital Technology. to use an electronic device to enable a wireless Internet connection on another device.
at the end of one's tether, at the end of one's resources, patience, or strength.
Origin of tether
1350–1400;Middle English (noun); compare Old Norsetjōthr,Dutchtuier
Related formsun·teth·ered, adjectiveun·teth·er·ing, adjective
late 14c., "rope for fastening an animal," probably from Old Norse tjoðr "tether," from Proto-Germanic *teudran (cf. Danish tøir, Swedish tjuder, Old Frisian tiader, Middle Dutch tuder, Dutch tuier "line, rope," Old High German zeotar "pole of a cart"), from PIE root *deu- "to fasten" + instrumentive suffix *-tro-. Figurative sense of "measure of one's limitations" is attested from 1570s.
late 15c., from tether (n.). Related: Tethered; tethering.