Classics 22: Etymology

Colors  

Latin	STEMS in English Words	English Meaning	English Derivatives
albus candidus	alb- candid-	white	albino, daub candidate
niger ater	niger-, nigr- (obviously, we should be very careful with words that use this root) ater-, atr-	black	Nigeria, negritude atrabilious melancholy
ruber rufus rutilis russus	ruber-, rubr- ruf- rutil- russ-	red	rubric rufescent rutile russet
flavus helvus	flav- helv-	yellow	flavone, riboflavin helvite
c(a)ruleus	caerule-, cerule-	blue	cerulean
virens viridis	vir- virid- UVM Universitas Viridis Montis / Universitas viridium montium	green	viridescent virent
purpureus violaceus	purpure- violace-	purple	purpurescent violaceous
fuscus	fusc-	brown	subfuscous
olivaceus	olivace-	olive (both the color and the fruit)	olivaceous
pallidus	pallid-	pale	pallid
niveus	nive-	like snow, white	niveous
roseus	rose-	like roses, red/pink	roseate, roseola
arenicolor	arenicolor	sandy	(no English derivatives)
lacteus	lacte-	milky	lacteal
cinereus	cinere-	ashen	cinereous, incinerate
nubilus	nubil-	cloudy	nubilous
flammeus	flamme-	flaming	flammeous, inflammable/flammable (unravel and ravel/ thaw and unthaw)
luteus	lute-	muddy/yellow	calculutite, luteous

MORE VERBS
part 4

Principal Parts	English Meaning	English Derivatives
ambul-, ambulat-	walk	ambulance, perambulator
apt-	fasten, fit, suited	aptitude, adept
caball-, caballat-	ride a horse	cavalry, chivalry
con-, conat-	try, attempt	conation, conative
flagell-, flagellat-	whip	flagellation, flagelliform
for-, forat-	bore, drill	foramen, perforate
fric-, fricat-	rub	dentifrice, fricative
gener-, generat-	give birth	generous, degenerate
jug-, jugat-	yoke	jugular, subjugate
lav-, lavat-	wash	lavish, lavatory
me-, meat-	pass, go	permeate, meatus
min-, minat-	threaten	menace, minatory
mir-, mirat-	wonder at	miracle, admiration
monstr-, monstrat-	show	demonstrate, remonstrate
nunti-, nuntiat-	give news	pronounce, annunciation
nud-, nudat-	strip, bare	nudity, denudation
opt-, optat-	choose	opt, optative
radi-, radiat-	emit rays	radiation, radiator
rot-, rotat-	revolve	rotate, round, rotary
sec-, sect-	cut	section, secant
sper-, sperat-	hope	prosper, desperation
spir-, spirat-	breathe	aspire, perspiration
tempt-, temptat-	test	attempt, temptation
vast-, vastat-	lay waste	waste, devastate