tolci'o lujvo

c1 is old (opposite of young) by standard c2.

Also aged, senior, senescent, archaic, long-ago.

In notes:

slabu
x1 is old/familiar/well-known to observer x2 in feature x3 (ka) by standard x4.
nalci'o
x1 is senior/older/other than young by standard x2.
laldo
x1 is old/aged [relatively long in elapsed duration] by standard x2