From Middle French delai, from Old French delai, delaie (“delay”), from Old French delaiier, delayer, deslaier (“to put off, delay, offlet, drain”) (délayer in modern French), from des- + Old French laier (“to leave”), partly from Frankish *latjan (“to delay, hinder”), from Proto-Germanic *latjaną (“to delay, hinder, stall”), from Proto-Indo-European *le(y)d- (“to leave, leave behind”), and partly from Frankish *laibjan (“to leave”), from Proto-Germanic *laibijaną (“to leave, cause to stay”), from Proto-Indo-European *leyp- (“to remain, continue”). Akin to Old English latian (“to delay, hesitate”), Old English lǣfan (“to leave”). More at delay.
délai m (plural délais)
- “délai” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).