orthography
n.
"correct or proper spelling," mid-15c., ortographie, from Middle French orthographie (Old French ortografie, 13c.), from Latin orthographia, from Greek orthographia "correct writing," from orthos "correct" (see ortho-) + root of graphein "to write" (see -graphy). Related: Orthographer.
〔李〕n.正字法 [-graphy=writing] ←ortho-[GK] =straight直的；correct正确的
〔蒋〕[ortho正，graph写，写字] 正字法