-idus

See also: idus

Latin

Alternative forms

• -cidus (enlargement)

Etymology

From Proto-Italic *-iðos, from Proto-Indo-European *-dʰh₁-os, a thematized formation from *dʰeh₁- (“to put, place”), originally attached to i-stems.

Pronunciation

• (Classical Latin) IPA^(key): /i.dus/, [ɪd̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /i.dus/, [id̪us] (stressed on antepenult)

Suffix

-idus (feminine -ida, neuter -idum); first/second-declension suffix

1. (suffix forming adjectives) tending to

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	-idus	-ida	-idum		-idī	-idae	-ida
Genitive	-idī	-idae	-idī		-idōrum	-idārum	-idōrum
Dative	-idō		-idō		-idīs
Accusative	-idum	-idam	-idum		-idōs	-idās	-ida
Ablative	-idō	-idā	-idō		-idīs
Vocative	-ide	-ida	-idum		-idī	-idae	-ida

Derived terms

Latin terms suffixed with -idus

Descendants

• English: -id
• French: -ide
• Italian: -ido
• Portuguese: -ido
• Romanian: -ed, -id
• Sicilian: -itu
• Spanish: -ido

References

• “-idus” on page 821 of the Oxford Latin Dictionary (1st ed., 1968–82)