In the first
ri'shown (ree-shone')
first, in place, time or rank (as adjective or noun) -- ancestor, (that were) before(-time), beginning, eldest, first, fore(-father) (-most), former (thing), of old time, past.
month in the fourteenth
'arba` (ar-bah')
four -- four.
`asar (aw-sawr')
ten (only in combination), i.e. -teen; also (ordinal) -teenth -- (eigh-, fif-, four-, nine-, seven-, six-, thir-)teen(-th), + eleven(-th), + sixscore thousand, + twelve(-th).
day
yowm (yome)
a day (as the warm hours),
of the month
chodesh (kho'-desh)
the new moon; by implication, a month -- month(-ly), new moon.
ye shall have the passover
pecach (peh'-sakh)
a pretermission, i.e. exemption; used only techically of the Jewish Passover (the festival or the victim) -- passover (offering).
a feast
chag (khag)
a festival, or a victim therefor -- (solemn) feast (day), sacrifice, solemnity.
of seven
shabuwa` (shaw-boo'-ah)
literal, sevened, i.e. a week (specifically, of years) -- seven, week.
days
yowm (yome)
a day (as the warm hours),
unleavened bread
matstsah (mats-tsaw')
unleaved (bread, cake), without leaven.
shall be eaten
'akal (aw-kal')
to eat -- at all, burn up, consume, devour(-er, up), dine, eat(-er, up), feed (with), food, freely, in...wise(-deed, plenty), (lay) meat, quite.