-τος

• -τός (-tós)
• -στός (-stós)

Inherited from Proto-Indo-European *-tós.

-τος • (-tos) m or f (neuter -τον); second declension

1. Creates perfective passive verbal adjectives (usually accented recessively)

   ‎διαλῡ́ω (dialū́ō, “dissolve”) + ‎-τος (-tos) → ‎διάλυτος (diálutos, “dissolved”)

2. Forms adjectives from nouns (accented recessively)

   ‎δάκρυ (dákru, “tear”) + ‎-τος (-tos) → ‎ἀδάκρυτος (adákrutos, “tearless”)

3. Forms ordinal and fractional numerals (also with accent on the ultima)

   ‎δέκα (déka, “ten”) + ‎-τος (-tos) → ‎δέκατος (dékatos, “tenth”)

• Greek: -τος (-tos)

• Smyth, Herbert Weir (1920), “Part II: Inflection”, in A Greek grammar for colleges, Cambridge: American Book Company, §§ 425 b (2) D: on use for verbal adjectives

From Ancient Greek -τος (-tos), from Proto-Indo-European *-tós.

-τος • (-tos)

1. Creates verbal adjectives.