英和和英

語源 1

From impingō (“I strike against”) +‎ -tus (abstract noun suffix).

名詞

impāctus m (genitive impāctūs); fourth declension (New Latin)

1. illision, collision, hit
   • 1752, Karl Scherffer, Institutionum physicae pars prima seu physica generalis, conscripta in usum suorum d.d. auditorum 213:

     Triplicis generis corpora discernere oportet, nempe perfectē dūra, quae nūllō impāctū figūram mūtant; perfectē elastica, quae ictū figūram mūtant, attamen eandem statim iterum assūmunt, velut sponte; perfectē mollia, quae figūram ictū mūtant, sed nōn amplius resūmunt ex propriā aliquā vī.[1]

   • 1761, Andreas Jaszlinszky, Institutiones physicae: pars prima seu physica generalis in usum discipulorum concinnata 202:

     Lapidēs et quaedam rigida metalla impāctū vehementī alicujus corporis dūrī in partēs dissiliunt, vitrum in illās ad levem quoque contāctum diffringitur.[2]

2. impact, effect

語形変化

Fourth-declension noun.

派生した語

• → Catalan: impacte
• → English: impact
• → French: impact
• → Galician: impacto
• → German: Impakt
• → Italian: impatto
• → Portuguese: impacto
• → Sicilian: mpattu
• → Spanish: impacto

参照

R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “impactus”, in Dictionary of Medieval Latin from British Sources‎, London: Oxford University Press for the British Academy, →ISBN, →OCLC

語源 2

Perfect passive participle of impingō.

Participle

impāctus (feminine impācta, neuter impāctum); first/second-declension participle

1. having been thrust
2. having been forced, pressed upon
3. having been pushed, dashed against

語形変化

First/second-declension adjective.

参照

• “impactus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “impactus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• impactus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.