First or highest in rank or importance; chief; principal.
Abbreviation for → primary body,
→ primary star, or
→ primary mirror.
Etymology (EN): M.E., from L. primarius “of the first rank, principal,” from primus
“first.”
Etymology (PE): Naxostân, from
naxost, from Mid.Pers. naxust “the first,” Parthian Mid.Pers.
nxwšt, from naxu, Manichean Parthian nwx
“beginning” + -ist superlative suffix, Av. -išta-,
cf. Skt. -istha-, Gk. -istos, O.H.G.
-isto, -osto, O.E. -st, -est, -ost.