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