No definitions found for 'immemorial usage'
Perhaps one of these:
innumerous,
immemorial possession,
inenarrable,
inamorately,
immemorially,
innumerable,
inamorato,
in amours with,
inamorata,
inamorate,
innumerate,
innumerability,
immemorable,
immune response,
innumerableness,
immune reaction,
in one ear,
ionian order,
immemorial,
innumerably,
inamoratos