And thou shalt write
kathab  (kaw-thab')
to grave, by implication, to write (describe, inscribe, prescribe, subscribe) -- describe, record, prescribe, subscribe, write(-ing, -ten).
'Aharown  (a-har-one')
Aharon, the brother of Moses -- Aaron.
shem  (shame)
an appellation, as a mark or memorial of individuality; by implication honor, authority, character -- + base, (in-)fame(-ous), named(-d), renown, report.
upon the rod
matteh  (mat-teh')
rod, staff, tribe.
of Levi
Leviy  (lay-vee')
attached; Levi, a son of Jacob -- Levi.
for one
'echad  (ekh-awd')
united, i.e. one; or (as an ordinal) first
matteh  (mat-teh')
rod, staff, tribe.
shall be for the head
ro'sh  (roshe)
the head (as most easily shaken), whether literal or figurative (in many applications, of place, time, rank, itc.)
of the house
bayith  (bah'-yith)
a house (in the greatest variation of applications, especially family, etc.)
of their fathers
'ab  (awb)
father, in a literal and immediate, or figurative and remote application) -- chief, (fore-)father(-less), patrimony, principal. Compare names in Abi-.