-th

a suffix forming nouns of action ( birth ) or abstract nouns denoting quality or condition ( depth; length; warmth ).

-th

a suffix used in the formation of ordinal numbers ( fourth, tenth ), in some cases, added to altered stems of the cardinal ( fifth; twelfth ).

-th

variant of -eth ¹:
doth.

⁴

Symbol, Chemistry.

thorium.

Th.

⁵

abbreviation for

Thursday.

T.H.

⁶

abbreviation for

Territory of Hawaii.

the internet domain name for

Thailand

-th

suffix

forming ordinal numbers
fourth
thousandth

the chemical symbol for

thorium

-th

⁴

suffix forming nouns

from verbs indicating an action or its consequence
growth
from adjectives indicating a quality
width

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Word History and Origins

Origin of -th¹

Middle English -th ( e ), Old English -thu, -tho, -th (variant -t after a velar, f, or s ); cognate with Gothic -itha, Latin -tus, Greek -tos

Origin of -th²

Middle English -the, -te, Old English -tha, -the (variant -ta after f or s ); cognate with Old Norse -thi, -di, Latin -tus, Greek -tos; -eth ²

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Word History and Origins

Origin of -th¹

from Old English -( o ) tha, -( o ) the

Origin of -th²

from Old English -thu, -tho

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