x1 is ten thousand [10000; 104] of x2 in dimension/aspect x3
Cf. grake, mitre, snidu, stero, delno, molro, kelvo, xampo, gradu, litce, merli, centi, decti, dekto, femti, gigdo, gocti, gotro, kilto, megdo, mikri, milti, nanvi, petso, picti, terto, xatsi, xexso, zepti, zetro.