fortieth

1 of 2

adjective

for·​ti·​eth ˈfȯ(r)t|ēə̇th 

-(r)t|, 

|iə̇th

1

: being number 40 in a countable series

the fortieth day

see Table of Numbers

2

: being one of 40 equal parts into which something is divisible

a fortieth share of the money

fortieth

2 of 2

noun

"

plural -s

1

: number 40 in a countable series

2

: the quotient of a unit divided by 40 : one of 40 equal parts of something

one fortieth of the total

Word History

Etymology

Adjective

Middle English fourtithe, adjective & noun, from Old English fēowertigotha, from fēowertig forty + -otha, -tha -th

Noun

Middle English fourtithe

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