tetric

• (UK) IPA^(key): /ˈtɛtɹɪk/

From Latin taetricus, tētricus, from taeter (“foul”).

tetric (comparative more tetric, superlative most tetric)

1. (obsolete) Morose, bitter.
   • 1621, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy, Oxford: Printed by Iohn Lichfield and Iames Short, for Henry Cripps, OCLC 216894069; The Anatomy of Melancholy: […], 2nd corrected and augmented edition, Oxford: Printed by John Lichfield and James Short, for Henry Cripps, 1624, OCLC 54573970:

     , New York Review of Books, 2001, p.284:

     They are commonly sad and tetric by nature, as Ahab's spirit was because he could not get Naboth's vineyard […]

From tetra- +‎ -ic.

tetric (comparative more tetric, superlative most tetric)

1. (chemistry) Denoting a kind of acid.

• tetric acid