And he shall take
ruwm (room)
to be high actively, to rise or raise (in various applications, literally or figuratively)
all his fat
cheleb (kheh'-leb)
from an unused root meaning to be fat; fat, whether literally or figuratively; hence, the richest or choice part -- best, fat(-ness), finest, grease, marrow.
from him and burn
qatar (kaw-tar')
to smoke, i.e. turn into fragrance by fire (especially as an act of worship) -- burn (incense, sacrifice) (upon), (altar for) incense, kindle, offer (incense, a sacrifice).
it upon the altar
mizbeach (miz-bay'-akh)
an altar -- altar.