obsum

Latin

Etymology

From ob- (“against”) +‎ sum (“I am”).

Pronunciation

• (Classical Latin) IPA^(key): /ˈob.sum/, [ˈɔps̠ʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈob.sum/, [ˈɔbsum]

Verb

obsum (present infinitive obesse, perfect active obfuī, future active participle obfutūrus); irregular conjugation, suppletive, no passive, no supine stem except in the future active participle, no gerund

1. (with dative) to be against, be prejudicial to, be opposed to
   • 8 CE, Ovid, Fasti 4.309–310:

     cultūs et ōrnātīs variē prōdīsse capillīs
     obfuit, ad rigidōs prōmptaque lingua senēs

     Her elegance was against her, and that she went about with variously ornate hairstyles,
     together with her ready retorts to the strict old men.
     (See Claudia Quinta.)

2. to hinder, be in the way
3. to hurt, injure, do harm to

Conjugation

   Conjugation of obsum (irregular conjugation, suppletive, no passive, no supine stem except in the future active participle, no gerund)

indicative		singular						plural
		first		second		third		first		second		third
active	present	obsum		obes		obest		obsumus		obestis		obsunt
	imperfect	oberam		oberās		oberat		oberāmus		oberātis		oberant
	future	oberō		oberis, obere		oberit		oberimus		oberitis		oberunt
	perfect	obfuī		obfuistī		obfuit		obfuimus		obfuistis		obfuērunt, obfuēre
	pluperfect	obfueram		obfuerās		obfuerat		obfuerāmus		obfuerātis		obfuerant
	future perfect	obfuerō		obfueris		obfuerit		obfuerimus		obfueritis		obfuerint
subjunctive		singular						plural
		first		second		third		first		second		third
active	present	obsim, obsiem, obfuam1		obsīs, obsiēs, obfuās1		obsit, obsiet, obfuat1		obsīmus, obsiēmus, obfuāmus1		obsītis, obsiētis, obfuātis1		obsint, obsient, obfuant1
	imperfect	obessem, obforem		obessēs, obforēs		obesset, obforet		obessēmus, obforēmus		obessētis, obforētis		obessent, obforent
	perfect	obfuerim		obfuerīs		obfuerit		obfuerīmus		obfuerītis		obfuerint
	pluperfect	obfuissem		obfuissēs		obfuisset		obfuissēmus		obfuissētis		obfuissent
imperative		singular						plural
		first		second		third		first		second		third
active	present	—		obes		—		—		obeste		—
	future	—		obestō		obestō		—		obestōte		obsuntō
non-finite forms		infinitive						participle
		active			passive			active			passive
present		obesse			—			—			—
future		obfutūrum esse, obfore			—			obfutūrus			—
perfect		obfuisse			—			—			—
perfect potential		obfutūrum fuisse			—			—			—

¹Old Latin or in poetry.

References

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