出典:Wiktionary
Borrowed from Latin acūmen (“sharp point”).
acumen (usually uncountable, 複数形 acumens または acumina)
From acuō (“make sharp または pointed, sharpen”) + -men (noun-forming suffix), from acus (“a needle, a pin”).
Third-declension noun (neuter, imparisyllabic non-i-stem).
Case | Singular | Plural |
---|---|---|
Nominative | acūmen | acūmina |
Genitive | acūminis | acūminum |
Dative | acūminī | acūminibus |
Accusative | acūmen | acūmina |
Ablative | acūmine | acūminibus |
Vocative | acūmen | acūmina |