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Definition 2024

subsum ‎(plural subsums)

From sub- +‎ sum

subsum ‎(present infinitive subesse, perfect active subfuī, future participle subfutūrus); irregular conjugation

Conjugation of subsum (highly irregular, suppletive, active only)
indicative		singular			plural
indicative		first	second	third	first	second	third
active	present	subsum	subes	subest	subsumus	subestis	subsunt
	imperfect	suberam	suberās	suberat	suberāmus	suberātis	suberant
	future	suberō	suberis, subere	suberit	suberimus	suberitis	suberunt
	perfect	subfuī	subfuistī	subfuit	subfuimus	subfuistis	subfuērunt, subfuēre
	pluperfect	subfueram	subfuerās	subfuerat	subfuerāmus	subfuerātis	subfuerant
	future perfect	subfuerō	subfueris	subfuerit	subfuerimus	subfueritis	subfuerint
subjunctive		singular			plural
subjunctive		first	second	third	first	second	third
active	present	subsim	subsīs	subsit	subsīmus	subsītis	subsint
	imperfect	subessem, subforem	subessēs, subforēs	subesset, subforet	subessēmus, subforēmus	subessētis, subforētis	subessent, subforent
	perfect	subfuerim	subfuerīs	subfuerit	subfuerīmus	subfuerītis	subfuerint
	pluperfect	subfuissem	subfuissēs	subfuisset	subfuissēmus	subfuissētis	subfuissent
imperative		singular			plural
imperative		first	second	third	first	second	third
active	present	—	subes	—	—	subeste	—
active	future	—	subestō	subestō	—	subestōte	subsuntō
non-finite forms		active			passive
non-finite forms		present	perfect	future	present	perfect	future
infinitives		subesse	subfuisse	subfutūrus esse, subfore	—	—	—
participles		—	—	subfutūrus	—	—	—

subsum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
subsum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
Félix Gaffiot (1934), “subsum”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.
Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book, London: Macmillan and Co.
- winter is at hand: hiems subest