LATIN DICTIONARYLexicon Latīnum
adjectivethird-declension one-termination adjective

Thȳnias1

Thȳnias (genitive Thȳniadis or Thȳniados)
Classical[ˈtʰyː.ni.as]Ecclesiastical[ˈtiː.ni.as]

Meaning

  1. one terminationThynian, a poetic word for Bithynian
    hic erat Arganthi Pege sub vertice montis, / grata domus Nymphis umida Thyniasin1990 translation by G. P. Goold Here beneath the crest of Arganthus’ mount lay the well of Pege, a watery haunt dear to Bithynia’s nymphs30 BCE – 16 BCE, Propertius, Elegiae 1.20.34

Origins

Borrowed from Ancient Greek Θῡνῐᾰ́ς (Thūnĭắs), a feminine adjective in -άς (-ás) from the same base as Θῡνός (Thūnós) and Θῡνῐ́ᾱ (Thūnĭ́ā).

In the Academy Smith's classical dictionaries

proper noun · femininethird declension
Thȳnias2
Thȳnias f sg (genitive Thȳniadis or Thȳniados)
Classical[ˈtʰyː.ni.as]Ecclesiastical[ˈtiː.ni.as]

Meaning

  1. a city in Thrace; now İğneada, in Turkey
  2. an island on the Black Sea

Declension

declension
formsingularplural
nominativeThȳnias—
genitiveThȳniadis
Thȳniados
—
dativeThȳniadī—
accusativeThȳniada—
ablativeThȳniade—
vocativeThȳnias
Thȳnia
—
locativeThȳniadī
Thȳniade
—

Origins

Borrowed from Ancient Greek Θῡνῐᾰ́ς (Thūnĭắs), a feminine adjective in -άς (-ás) from the same base as Θῡνός (Thūnós) and Θῡνῐ́ᾱ (Thūnĭ́ā).

In the Academy Smith's classical dictionaries

Quick answers

What does Thȳnias mean in Latin?
Thȳnias, a adjective, means “Thynian, a poetic word for Bithynian”.
How do you pronounce Thȳnias?
In classical Latin, [ˈtʰyː.ni.as]; in ecclesiastical (church) Latin, [ˈtiː.ni.as].