otso

cardinal. seven

The usual Quenya word for “seven” was otso dating all the way back to the Qenya Lexicon of the 1910s (PE17/96; VT47/42; VT48/6; Ety/OT; PE14/49, 82; QL/71), though it had occasional variants like otos (PE17/95) or {oxo >>} osko (VT47/42). Its root form was √OTOS or √OTOK, the latter producing S. odog “seven”.

otso

cardinal. seven

otso cardinal "seven" (SA:sîr, OT/OTOS/OTOK, VT48:6); otsëa ordinal "seventh" (VT42:25)

otsola

week

otsola noun "week" (evidently referring to a week of seven days like our own, since otso = seven). (GL:62). Compare enquië, the Eldarin six-day week, and lemnar, a five-day week.

osco

cardinal. seven

otos

cardinal. seven

o(to)sta

fraction. one seventh

A word appearing as otosta, osta, or otsat “1/7” in notes on numbers from the late 1960s, a combination of otso “seven” with the fractional suffix -sta.

Conceptual Development: The Early Qenya Grammar of the 1920s had ᴱQ. otsotto or otsonto “[one] 7th” with adjective forms ᴱQ. otsotta or otsottya (PE14/51, 84), combinations with the 1920s fractional suffix ᴱQ. -tto/-nto/-sto.

otsëa

ordinal. seventh

A word for “seventh” in notes on Elvish numbers from the late 1960s (VT42/25), an adjectival form of otso “seven”.

Conceptual Development: The Early Qenya Grammar (EQG) of the 1920s had ᴱQ. otya “seventh” also based on ᴱQ. otso “seven” (PE14/51, 82).

Otselen

seven stars

Otselen noun "Seven Stars" (otso + elen), a name of the Great Bear (constellation) (OT/OTOS/OTOK)

otsëa

seventh

otsëa ordinal "seventh" (VT42:25). See otso.

lemnar

week

lemnar noun "week" (of five days) (LEP/LEPEN/LEPEK). Compare enquië, otsola.

osta

one seventh

osta (1) fraction "one seventh" (1/7). Also otosta, otsat. (VT48:11)

otosta

one seventh

otosta fraction "one seventh" (1/7). Also osta, otsat. (VT48:11)

otsat

one seventh

otsat fraction "one seventh" (1/7). Also otosta, osta (VT48:11)

otsat

fraction. one seventh