Then Moses
Mosheh (mo-sheh')
drawing out (of the water), i.e. rescued; Mosheh, the Israelite lawgiver -- Moses.
called
qara' (kaw-raw')
to call out to (i.e. properly, address by name, but used in a wide variety of applications)
for all the elders
zaqen (zaw-kane')
old -- aged, ancient (man), elder(-est), old (man, men and...women), senator.
of Israel
Yisra'el (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
and said
'amar (aw-mar')
to say (used with great latitude)
unto them Draw out
mashak (maw-shak')
to draw, used in a great variety of applications (including to sow, to sound, to prolong, to develop, to march, to remove, to delay, to be tall, etc.)
and take
laqach (law-kakh')
to take (in the widest variety of applications)
you a lamb
tso'n (tsone)
from an unused root meaning to migrate; a collective name for a flock (of sheep or goats); also figuratively (of men)
according to your families
mishpachah (mish-paw-khaw')
a family, i.e. circle of relatives; figuratively, a class (of persons), a species (of animals) or sort (of things); by extens. a tribe or people -- family, kind(-red).
and kill
shachat (shaw-khat')
to slaughter (in sacrifice or massacre) -- kill, offer, shoot out, slay, slaughter.
the passover
pecach (peh'-sakh)
a pretermission, i.e. exemption; used only techically of the Jewish Passover (the festival or the victim) -- passover (offering).