deltidium

English

Etymology

Borrowed from New Latin deltidium. By surface analysis, delta +‎ -idium.

Pronunciation

• (Received Pronunciation) IPA^(key): /dɛlˈtɪdɪəm/

Noun

deltidium (plural deltidiums or deltidia)

1. (conchology, now rare) The triangular space under the beak of many brachiopod shells. [1851]

Usage notes

The terms is barely found in literature since the 19th century.

Related terms

• delta

References

• “deltidium”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Latin

Etymology

The Latinisation of *deltidion, formed in Latin from Ancient Greek elements: δέλτα (délta) +‎ -ίδιον (-ídion) = literally “little delta”. Unrelated to Byzantine Greek δελτίδιον (deltídion).

Pronunciation

• (Classical Latin) IPA^(key): [dɛɫˈtɪ.di.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [delˈtiː.di.um]

Noun

deltidium n (genitive deltidiī or deltidī); second declension

1. (New Latin, conchology) deltidium [≤1836]

Declension

Second-declension noun (neuter).

	singular	plural
nominative	deltidium	deltidia
genitive	deltidiī deltidī1	deltidiōrum
dative	deltidiō	deltidiīs
accusative	deltidium	deltidia
ablative	deltidiō	deltidiīs
vocative	deltidium	deltidia

¹Found in older Latin (until the Augustan Age).

Descendants

• → English: deltidium