Ninthly
/ˈnaɪnθ.li/noun
In the ninth place or as the ninth point in a sequence.
Did you know?The core of *ninthly* goes back to a Proto-Indo-European root meaning “new,” because many ancient number-words were formed from counting systems that treated the next number as the newly added one.
Etymological Timeline
Proto-Indo-European
PIE
*newos
“new”
Proto-Germanic
PGmc
*newunþō
“ninth”
Old English
English
nigoþa / nīoþa
“ninth”
Middle English
English
ninthe
“ninth”
Late Middle English
English
ninthly
“in ninth place; as the ninth point”