-th

1

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

Origin of -th

1
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

Definition for -th (2 of 3)

-th

2

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

Origin of -th

2
Middle English -the, -te, Old English -tha, -the (variant -ta after f or s); cognate with Old Norse -thi, -di, Latin -tus, Greek -tos; see -eth2

Definition for -th (3 of 3)

-th

3

variant of -eth1: doth.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for -th (1 of 2)

-th

1

suffix forming nouns

(from verbs) indicating an action or its consequencegrowth
(from adjectives) indicating a qualitywidth

Word Origin for -th

from Old English -thu, -tho

British Dictionary definitions for -th (2 of 2)

-th

2

-eth


suffix

forming ordinal numbersfourth; thousandth

Word Origin for -th

from Old English -(o) tha, -(o) the
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012