arachnoides

Latin

Etymology

Borrowing from Ancient Greek ᾰ̓ρᾰχνοειδής (ărăkhnoeidḗs, like a cobweb), from ᾰ̓ρᾰ́χνη (ărắkhnē, spider web) +‎ -ο- (-o-) +‎ -ειδής (-eidḗs, -oid, -like).

Pronunciation

Adjective

arachnoīdēs (neuter arachnoīdes); third-declension one-termination adjective (Greek-type) (New Latin)

  1. resembling a spider web

Inflection

Third-declension one-termination adjective (Greek-type).

singular plural
masc./fem. neuter masc./fem. neuter
nominative arachnoīdēs arachnoīdes arachnoīdēs arachnoīda
arachnoīdia1
genitive arachnoīdis arachnoīdum
arachnoīdium1
dative arachnoīdī arachnoīdibus
accusative arachnoīdem arachnoīdes arachnoīdīs
arachnoīdēs
arachnoīda
arachnoīdia1
ablative arachnoīde
arachnoīdī1
arachnoīdibus
vocative arachnoīdēs arachnoīdes arachnoīdēs arachnoīda
arachnoīdia1

1It is unknown whether adjectives of this type would use i-stem or consonant-stem endings in Classical Latin: the relevant forms are not attested. Depending on the word, either ending or both may be attested in New Latin.

Descendants

  • English: arachnoid