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.
Quenya
otso
cardinal. seven
otso
cardinal. seven
otsola
week
osco
cardinal. seven
otos
cardinal. seven
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.
o(to)sta
fraction. one seventh
otsëa
ordinal. seventh
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
otso cardinal "seven" (SA:sîr, OT/OTOS/OTOK, VT48:6); otsëa ordinal "seventh" (VT42:25)