Words related to lax
It forms all or part of: algolagnia; catalectic; laches; languid; languish; lax; lease; lessor; lush; relax; release; relish; slack (adj.); sleep.
It is the hypothetical source of/evidence for its existence is provided by: Greek legein "to leave off, stop," lagnein "to lust;" Latin languere "to be faint, weary," laxus "wide, spacious, roomy;" Old Church Slavonic slabu "lax, weak;" Lithuanian silpnas "weak."
1934, American English, from Yiddish laks, from Middle High German lahs "salmon," from Proto-Germanic *lakhs-, from the common IE root for the fish, *laks- (source also of Lithuanian lašiša, Russian losos, Polish łosoś "salmon").
c. 1300, delaien, "to put off, postpone;" late 14c., "to put off or hinder for a time," from Old French delaiier, from de- "away, from" (see de-) + laier "leave, let." This is perhaps a variant of Old French laissier, from Latin laxare "slacken, undo" (see lax). But Watkins has it from Frankish *laibjan, from a Proto-Germanic causative form of PIE root *leip- "to stick, adhere." Intransitive sense of "linger, move slowly" is from c. 1500. Related: Delayed; delaying.