c. 1400, "loose" (in reference to bowels), from Latin laxus "wide, loose, open," figuratively "loose, free, wide," from PIE root *(s)leg- "to be slack, be languid" (cognates: Greek legein "to leave off, stop," lagos "hare," literally "with drooping ears," lagnos "lustful, lascivious," lagaros "slack, hollow, shrunken;" Latin languere "to be faint, weary," languidis "faint, weak, dull, sluggish, languid"). Of rules, discipline, etc., attested from mid-15c.
lax (n.)
"salmon," from Old English leax (see lox).
例文
1. One of the problem areas is lax security for airport personnel.
問題の1つは、空港従業員の保安検査措置のずさんさです。
2.There have been allegations from survivors that safety standards had been lax .