-ualsuffix

Of adjectives, representing late Latin, medieval Latin -uālis, -uāle, as in conceptual (medieval Latin conceptuālis), sensual (late Latin sensuālis); in adjectives formed from noun stems in -u-, as accentual (Latin accentus), eventual (Latin eventus); and in adjectives derived from Latin adjectives in -uus, as individual (medieval Latin individuālis, < Latin individuus), perpetual (Latin perpetuālis, < Latin perpetuus). (Further information is given at -al suffix¹ 1.)