-ty

-ty

suff.
Condition; quality: realty.

[Middle English -te, from Old French, from Latin -tās.]

-ty

suffix
(Mathematics) denoting a multiple of ten: sixty; seventy.
[from Old English -tig ten]

-ty

suffix forming nouns
indicating state, condition, or quality: cruelty.
[from Old French -te, -tet, from Latin -tās, -tāt-; related to Greek -tēs]

-ty1

,
a suffix of numerals that are multiples of ten: twenty; thirty.
[Middle English; Old English -tig, c. Old Frisian -tich, Old High German -zug, Old Norse tigr, Gothic tigjus; akin to ten]

-ty2

,
a suffix occurring in loanwords from Latin and French, forming mainly from adjectives nouns denoting state or condition: ability; certainty; chastity; unity.
[Middle English -te(e) < Old French -te(t) < Latin -tātem, acc. of -tās]