一切經音義 49.172

49.172

凹凸 [concave and convex] (The first character is w- + [g]ua [-> wa]. A vulgar character; it is pictographic. The orthodox form is composed with 穴 as 窊; sometimes written as 窪, also used interchangeably. The second character is t- + [n]ie [-> tu], entering tone. Also a vulgar pictographic character. The orthodox form is 垤, composed with 土 [earth] and phonetically abbreviated from 姪. The Book of Documents says: "垤 are ant mounds; 垤 means rising high").