-igo

See also: igo, IGO, and Igo

Ido

Suffix

-igo

Suffix added (1) to an adjective or noun to form a transitive verb denoting: to make, render or transform into; (2.1) to an intransitive verb to give it an active sense; (2.2) to a transitive verb, to give a passive sense (i.e. igar -ata), usually followed by the preposition da.

Derived terms

Ido terms suffixed with -igo

fekundigo

inversigo

senkapigo

Latin

Etymology 1

From Proto-Italic *-agāō, suffixed form of Proto-Italic *agō. Doublet of agō.

Pronunciation

(Classical Latin) IPA^(key): [ɪ.ɡoː]
(modern Italianate Ecclesiastical) IPA^(key): [i.ɡo] (stressed on the antepenult)

Suffix

-igō (present infinitive -igāre, perfect active -igāvī, supine -igātum); first conjugation

Enlargement of -ō (suffix forming regular first-conjugation verbs).
‎fūmus + ‎-igō → ‎fūmigō

‎līs (oblique stem: līt-) + ‎-igō → ‎lītigō

‎rēmus + ‎-igō → ‎rēmigō

‎fūstis + ‎-igō → ‎fūstīgō (long i due to i-stem)

‎nāvis + ‎-igō → ‎nāvigō (short i due to being from *naw-s, not an i-stem)

Conjugation

Conjugation of -igō (first conjugation)

indicative		singular				plural
indicative		first	second		third	first	second		third
active	present	-igō	-igās		-igat	-igāmus	-igātis		-igant
	imperfect	-igābam	-igābās		-igābat	-igābāmus	-igābātis		-igābant
	future	-igābō	-igābis		-igābit	-igābimus	-igābitis		-igābunt
	perfect	-igāvī	-igāvistī		-igāvit	-igāvimus	-igāvistis		-igāvērunt, -igāvēre
	pluperfect	-igāveram	-igāverās		-igāverat	-igāverāmus	-igāverātis		-igāverant
	future perfect	-igāverō	-igāveris		-igāverit	-igāverimus	-igāveritis		-igāverint
passive	present	-igor	-igāris, -igāre		-igātur	-igāmur	-igāminī		-igantur
	imperfect	-igābar	-igābāris, -igābāre		-igābātur	-igābāmur	-igābāminī		-igābantur
	future	-igābor	-igāberis, -igābere		-igābitur	-igābimur	-igābiminī		-igābuntur
	perfect	-igātus + present active indicative of sum
	pluperfect	-igātus + imperfect active indicative of sum
	future perfect	-igātus + future active indicative of sum
subjunctive		singular				plural
subjunctive		first	second		third	first	second		third
active	present	-igem	-igēs		-iget	-igēmus	-igētis		-igent
	imperfect	-igārem	-igārēs		-igāret	-igārēmus	-igārētis		-igārent
	perfect	-igāverim	-igāverīs		-igāverit	-igāverīmus	-igāverītis		-igāverint
	pluperfect	-igāvissem	-igāvissēs		-igāvisset	-igāvissēmus	-igāvissētis		-igāvissent
passive	present	-iger	-igēris, -igēre		-igētur	-igēmur	-igēminī		-igentur
	imperfect	-igārer	-igārēris, -igārēre		-igārētur	-igārēmur	-igārēminī		-igārentur
	perfect	-igātus + present active subjunctive of sum
	pluperfect	-igātus + imperfect active subjunctive of sum
imperative		singular				plural
imperative		first	second		third	first	second		third
active	present	—	-igā		—	—	-igāte		—
active	future	—	-igātō		-igātō	—	-igātōte		-igantō
passive	present	—	-igāre		—	—	-igāminī		—
passive	future	—	-igātor		-igātor	—	—		-igantor
non-finite forms		infinitive				participle
non-finite forms		active		passive		active		passive
present		-igāre		-igārī, -igārier¹		-igāns		—
future		-igātūrum esse		-igātum īrī		-igātūrus		-igandus
perfect		-igāvisse		-igātum esse		—		-igātus
future perfect		—		-igātum fore		—		—
perfect potential		-igātūrum fuisse		—		—		—
verbal nouns		gerund					supine
		genitive	dative		accusative	ablative	accusative		ablative
		-igandī	-igandō		-igandum	-igandō	-igātum		-igātū

¹The present passive infinitive in -ier is a rare poetic form which is attested.

Derived terms

Latin terms suffixed with -igo (denominative)

References

“-igō¹” on page 825/1 of the Oxford Latin Dictionary (1st ed., 1968–82)

Etymology 2

A metanalysis of vertex + nasal suffix *-n- > *vertign- > *vertīgin- > vertīgō (“gyration, dizziness”) as vertō (“to turn”) + -īgō. Compare -ūgō (suffix forming nouns).^[1]

Pronunciation

(Classical Latin) IPA^(key): [ˈiː.ɡoː]
(modern Italianate Ecclesiastical) IPA^(key): [ˈiː.ɡo] (stressed on the penult)

Suffix

-īgō f (genitive -īginis); third declension

Suffixed to nouns and to verbs, forms nouns usually denoting diseased conditions.
‎impetō + ‎-īgō → ‎impetīgō

‎prūriō + ‎-īgō → ‎prūrīgō

‎rōbus + ‎-īgō → ‎rōbīgō

‎scaturriō + ‎-īgō → ‎scaturrīgō

Declension

Third-declension noun.

	singular	plural
nominative	-īgō	-īginēs
genitive	-īginis	-īginum
dative	-īginī	-īginibus
accusative	-īginem	-īginēs
ablative	-īgine	-īginibus
vocative	-īgō	-īginēs

Derived terms

Latin terms suffixed with -igo (noun)

Descendants

Italian: -igine
Sicilian: -ìniga, -ìnija

References

^ Leumann, Manu; Hofmann, Johann Baptist; Szantyr, Anton (1977), Lateinische Grammatik: Lateinische Laut- und Formenlehre, CH Beck, § 325.B.4., page 369

“-īgō²” on page 825/1 of the Oxford Latin Dictionary (1st ed., 1968–82)

Old English

Pronunciation

IPA^(key): /i.jo/

Suffix

-iġo

inflection of -iġ:
1. strong nominative feminine singular
2. strong nominative/accusative neuter plural

[1] Leumann, Manu; Hofmann, Johann Baptist; Szantyr, Anton (1977), Lateinische Grammatik: Lateinische Laut- und Formenlehre, CH Beck, § 325.B.4., page 369

[1]