Let the house
bayith (bah'-yith)
a house (in the greatest variation of applications, especially family, etc.)
of Aaron
'Aharown (a-har-one')
Aharon, the brother of Moses -- Aaron.
now say
'amar (aw-mar')
to say (used with great latitude)
that his mercy
checed (kheh'-sed)
kindness; by implication (towards God) piety: rarely (by opposition) reproof, or (subject.) beauty
endureth for ever
`owlam (o-lawm')
concealed, i.e. the vanishing point; generally, time out of mind (past or future), i.e. (practically) eternity; frequentatively, adverbial (especially with prepositional prefix) always