Meaning of -TH in English

-TH

I. -eth /əθ, ɪθ/ BrE AmE ( also -th ) suffix old use or biblical

[ Language: Old English ; Origin: -eth , -ath ]

forms the third person singular of verbs:

he giveth

II. -th /θ/ BrE AmE suffix

[ Sense 1: Language: Old English ; Origin: -tha ]

[ Sense 2: Language: Old English ; Origin: -eth , -ath , -th ]

1 . forms ORDINAL numbers, except with 1, 2, or 3:

the 17th of June

a fifth of the total

⇨ ↑ -nd , ↑ -rd , ↑ -st

2 . old use or biblical another form of ↑ -eth

he doth (=does)

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.