— ninthly , adv.
/nuynth/ , adj.
1. next after the eighth; being the ordinal number for nine.
2. being one of nine equal parts.
n.
3. a ninth part, esp. of one ( 1 / 9 ).
4. the ninth member of a series.
5. Music.
a. a tone distant from another tone by an interval of an octave and a second.
b. the interval between such tones.
c. harmonic combination of such tones.
adv.
6. in the ninth place.
[ bef. 900; ME ninthe (see NINE, -TH 2 ), r. ME niend (OE nigend ), neogethe, nigethe (OE nigotha ); akin to OS nigutho, ON niundi, Goth niunda ]