-th


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-th 1

suff.
Variant of -eth1.

-th 2

suff.
1. Act; process: spilth.
2. State; quality: dearth.

[Middle English, from Old English -thu, n. suff.]

-th 3

also -eth
suff.
Used to form ordinal numbers: millionth.

[Middle English -the, from Old English -tha, -the.]

-th

suffix forming nouns
1. (from verbs) indicating an action or its consequence: growth.
2. (from adjectives) indicating a quality: width.
[from Old English -thu, -tho]

-th

or

-eth

suffix
(Mathematics) forming ordinal numbers: fourth; thousandth.
[from Old English -( o)tha, -( o)the]

Th


Chem. Symbol.
thorium.

-th1

,
a suffix forming nouns of action (birth) or abstract nouns denoting quality or condition (depth; length; warmth).
[Middle English -th(e), Old English -thu, -tho, -th (variant -t after a velar, f, or s), c. Gothic -itha, Latin -tus, Greek -tos]

-th2

,
a suffix used in the formation of ordinal numbers: fourth; tenth.
[Middle English -the, -te, Old English -tha, -the (variant -ta after f or s), c. Old Norse -thi, -di, Latin -tus, Greek -tos; compare -eth2]

-th3

,
var. of -eth1: doth.

Th.

Thursday.