<word meaning & root formation>

Tabescent: {appeared in Logolept’s Diet 1.0 but sans its Latin etymology, included here} [from L. tabescens]

Talionic: retaliation; retribution [from MidFr. talion, from L. talis (“such”)]

Tapinosis: {also made an entry in Logolept’s Diet 1.0 but have added Peter Bowler’s definition} the use of degrading diction [from Gk. tapeínōsis, (“lowering”)]

Tarhood: group of sailors, or state of being a sailor; collective term for sailors [from Dut. teer(?) (“seaman”; “mariner”)]

Tardigrade: slow in movement; microscopic water bear [from L. tardigradus (“slowly stepping”), from tardus (“slow”) + -gradior (“step”; “walk”)]

Tautegorical: saying the same thing with different words, opposite of allegorical [poss. from MidEng. tought (“distended”) + -gori(?) + -cal]

Tegestologist: a collector of beer mats or coasters [from L. teges (“covering”; “mat”) +‎ -logy]

Temulency: inebriation; drunkenness [from L. temulentia]

Tetragram: a word containing four letters [from Gk. tetra (“four”). + -grāmma (“letter”)]

Thelyphthoric: that which corrupts the morals of women (Gk. Nonce word (?): coined by English clergyman and writer Martin Madan (1780) poss. from thelus (“woman”) + –phthora (“destruction”; “ruin.”) + –ic]

Thersitical: abusive and foul-mouthed; scurrilous; grossly defamatory [Gk. after Thersites, a minor character in the Iliad who slandered and mocked Agamemnon]

Thigmotaxis: the movement of an organism in response to stimulus [Gk. thigma, thigma (“touch”) +  –taxis, (“arrangement”; “order”)]

Thrasonical: bragging and boasting; of, relating to, resembling, or characteristic of Thraso; a vainglorious boaster and swaggerer [L. Thrason-, Thraso, + (-cal): “Thraso”, a braggart soldier in the comedic play Eunuchus by 2nd century BC Roman dramatist Terence]

Tiffin: a snack or light lunch (meaning uncertain)

Tonitruous: thundering; explosive 🧨 [from L. tonitruum (“thunder”)]

Tonsorial: pertaining to barber or hairdressing [from L. tonsor (“barber”) from tondere (“shear”; “clip”) + -al]

Toparch: ruler or prince of a small district, city or petty state [from Gk. (“ruler of a small district”), from tópos, “place”) +‎ –árkhēs, (“ruler”)]

Tralatitious: having a character, force, or significance transferred or derived from something extraneous; passed from one generation to another; handed down (metaphorically) [from L. transferre (“to transfer”) + -itius, -icius (“-itious“)

Tregetour: a magician or juggler 🤹 [from OldFr. tres (“across”) + -geter, -jeter (“to throw”)]

Trilemma: a difficult choice from three options, each of which is unacceptable or unfavourable [modelled on dilemma, with di- (“prefix meaning ‘two, twice, double’”) replaced by tri- (“prefix meaning ‘three’”)]

Tristiloquy: a dull and depressing speech [(?) + -loqui (“speech”)]