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when
adverb
used
in
questions
to
ask
at
what
time
something
happens
•
When
is
your
birthday
?
When
is
your
birthday
?
•
Do
you
know
when
the
train
leaves
?
Do
you
know
when
the
train
leaves
?
Old
English
“
hwænne
”,
from
Proto-Germanic
*hwan
,
meaning
“
at
what
time
”.
noun
the
time
or
date
at
which
something
happens
•
We
still
have
to
decide
the
when
of
the
ceremony
.
We
still
have
to
decide
the
when
of
the
ceremony
.
•
Let
’
s
talk
about
the
where
and
the
when
.
Let
’
s
talk
about
the
where
and
the
when
.
Noun
use
recorded
from
the
1700s
,
abstracted
from
the
adverb
to
mean
“
the
specific
time
.”
kitchen
noun
a
room
in
a
house
or
apartment
where
food
is
cooked
and
meals
may
be
prepared
or
eaten
•
Maria
opened
the
window
to
let
fresh
air
into
the
kitchen
while
she
baked
cookies
.
Maria
opened
the
window
to
let
fresh
air
into
the
kitchen
while
she
baked
cookies
.
•
The
family
gathered
around
the
small
table
in
their
kitchen
for
breakfast
.
The
family
gathered
around
the
small
table
in
their
kitchen
for
breakfast
.
Old
English
cycene
,
from
Late
Latin
coquina
,
from
Latin
coquere
“
to
cook
”.
noun
the
staff
,
equipment
,
and
working
area
in
a
restaurant
,
hotel
,
or
similar
establishment
where
food
is
professionally
prepared
•
The
head
chef
shouted
orders
across
the
kitchen
as
the
dinner
rush
began
.
The
head
chef
shouted
orders
across
the
kitchen
as
the
dinner
rush
began
.
•
Reporters
were
allowed
a
brief
tour
of
the
hotel's
kitchen
before
the
grand
opening
.
Reporters
were
allowed
a
brief
tour
of
the
hotel's
kitchen
before
the
grand
opening
.
Same
origin
as
the
main
sense
:
Old
English
cycene
,
from
Late
Latin
coquina
,
from
Latin
coquere
“
to
cook
”.
comprehensive
adjective
including
everything
that
is
needed
or
relevant
;
complete
and
thorough
•
The
report
gave
a
comprehensive
overview
of
the
company's
finances
.
The
report
gave
a
comprehensive
overview
of
the
company's
finances
.
•
Before
the
hike
,
the
guide
packed
a
comprehensive
first-aid
kit
.
Before
the
hike
,
the
guide
packed
a
comprehensive
first-aid
kit
.
From
French
compréhensif
,
from
Latin
comprehendere
“
to
grasp
,
include
”.
noun
a
secondary
school
in
the
UK
that
accepts
students
of
all
abilities
without
entrance
exams
•
Martin
transferred
to
the
local
comprehensive
after
moving
to
London
.
Martin
transferred
to
the
local
comprehensive
after
moving
to
London
.
•
Some
parents
prefer
grammar
schools
,
while
others
choose
comprehensives
.
Some
parents
prefer
grammar
schools
,
while
others
choose
comprehensives
.
Short
for
comprehensive
school
,
first
used
in
British
education
reforms
of
the
mid-20th
century
.
strengthen
verb
to
make
someone
or
something
stronger
,
firmer
,
or
more
effective
•
Daily
exercise
can
strengthen
your
muscles
and
bones
.
Daily
exercise
can
strengthen
your
muscles
and
bones
.
•
Reading
every
day
will
strengthen
your
language
skills
.
Reading
every
day
will
strengthen
your
language
skills
.
From
Middle
English
strenghten
,
formed
from
strength
+
-en
(
a
verb-forming
suffix
).
verb
to
become
stronger
,
firmer
,
or
more
effective
•
After
weeks
of
therapy
,
his
injured
knee
finally
strengthened
.
After
weeks
of
therapy
,
his
injured
knee
finally
strengthened
.
•
The
wind
strengthened
as
the
storm
approached
the
coast
.
The
wind
strengthened
as
the
storm
approached
the
coast
.
From
Middle
English
strenghten
,
from
strength
+
-en
,
meaning
to
grow
strong
.
