a poverty-stricken family, a blood-red hand, a nineteenth-century invention.
A compound noun which has but one accent, and from familiar use has become one word, requires no hyphen. Examples:
bláckbird
býname
býword
háirbrush
háirdresser
háirpin
hándbook
hándkerchief
mántelpiece
nówadays
schóolboy
schóolgirl
seáport
téapot
tórchlight
upstáirs
wátchcase
whéelbarrow
The following should also be printed as one word:
aglow
anybody
anyhow
anything
anywhere
bedroom
childbed
coeval
coexist
coextensive
coheir
cornfield
downhill
downstairs
evermore
everyday (as adj.)
everything
everyway (adverb)
everywhere
eyewitness
fairyland
fatherland
footsore
footstep
freshwater (as adj.)
godlike
goodwill
harebell
hopscotch
horseshoe
indoor
ladylike
lambskin
lifetime
maybe
meantime
meanwhile
midday
motherland
newfangled
noonday
offprint
offsaddle
offshoot
onrush
outdoor
overleaf
oversea