{About} (h(9373)ei). Luke as  Mt 14:21  adds this word to the
definite statement of  Mr 6:44  that there were 5,000 men, a
hundred companies of fifty each. {Sit down} (kataklinate).
First aorist active imperative. Recline, lie down. Only in Luke
in the N.T. See also verse  15 . {In companies} (klisias).
Cognate accusative after {kataklinate}. Only here in the N.T. A
row of persons reclining at meals (table company). {About fifty
each} (h(9373)ei ana pent(886b)onta). Distributive use of ana and
approximate number again (h(9373)ei).