Etymology — The Origins of English Words

From Middle French pertinacité, from Old French pertinace (“obstinate, stubborn”).

From laic + -ist.

From law + making.

From quintuple + -et, from Middle French quintuple.

First attested in 1450, in Middle English; from Middle English intoxicaten, from intoxicat(e) (“(of a weapon or drug) smeared, anointed or filled with poison; (of a human being, animal) poisoned, intoxicated”, also used as the past participle of intoxicaten) + -en (verb-forming suffix), borrowed from intoxicātus, perfect passive participle of intoxicō (see -ate (verb-forming suffix)), from Late Latin toxicō (“to smear, anoint with poison”), from toxicus (“toxic, poisonous”) + -ō (verb-forming suffix), from Ancient Greek τοξικόν (toxikón). By surface analysis, in- + toxic + -ate.

From Latin lycanthrōpus, from Ancient Greek λυκάνθρωπος (lukánthrōpos) – a compound of λύκος (lúkos, “wolf”) + ἄνθρωπος (ánthrōpos, “man, human”). By surface analysis, lyc- + -anthrope.

From proletarian by shortening.

Borrowed from Middle French patricien, from Latin patricius, derived from patrēs cōnscrīptī (“Roman senators”). May also have been derived from Latin patricius + -ian

From pack + -man.

From Middle English husbandman, husbondman, equivalent to husband + -man.

From Middle English overlepen, from Old English oferhlēapan. Compare Dutch overlopen (“to spill over; overflow”), German überlaufen (“to overrun; overflow”). By surface analysis, over- + leap.

By surface analysis, loc(us) + -ant

From Middle English mirke, merke, from Old English mirce, myrce (“darkness, gloom”) and Old Norse myrkr (“darkness, gloom”), both from Proto-Germanic *merkwą, *mirkwiz (“darkness”), Proto-Indo-European *mergʷ- (“to flicker; to darken; to be dark”).

From Latin pharmacopola, from Ancient Greek φαρμακοπώλης (pharmakopṓlēs), from φάρμακον (phármakon, “drug, charm, enchantment”) + -πώλης (-pṓlēs, “-seller, -monger”). Doublet of pharmacopolist.

From Middle English osel, from Old English ōsle, from Proto-West Germanic *ą̄slā, *amslā, from Proto-Germanic *amslǭ. Cognate with German Amsel. For the spelling, compare Early Modern English bloud (“blood”).

From Middle English operant, from Latin operāns.

From horse + -y. Cognate with Middle Low German rössich (“horselike, equipped with a horse”).

Inherited from Middle English Philologie, from Latin philologia, from Ancient Greek φιλολογίᾱ (philologíā, “love of argument or reasoning, love of learning and literature”).

From long + wave.

From Middle English practic, practik, partly from Old French practique and partly from its etymon, Late Latin prācticus (“active”), from Ancient Greek πρακτικός (praktikós, “of or pertaining to action, concerned with action or business, active, practical”), from πράσσω (prássō, “to do”). Doublet of practico.

From Latin obversus, 1650s.

From Middle English prykkyl, prykyl, from Old English pricel, pricels, pricle (“a prickle, sharp point, bit”), from a conflation of Proto-West Germanic *prikislī and *prikil (“prickle”). By surface analysis, prick + -le. Cognate with West Frisian prikel (“goad, prickle”), Dutch prikkel (“sting, prickle, stimulus”), German Low German Prekel (“wooden stick, poker”), Saterland Frisian prikkelje (“to propel, spur on, goad”). First attested in the Old English period.

From French mélange, from Middle French mélange, meslange, from Old French meslance, meslinges (“set of diverse elements”), derived from mescler (“to mingle, mix up”) (modern French mêler), from Vulgar Latin *misculāre, from Latin misceō (“mix”) + -inges, a suffix from Frankish *-ingo (“-ing”). More at mix, -ing.

Perhaps a modification of French haridelle (“old horse, nag”).