kalendae

Latin

From Proto-Italic *kalēō, gerundive formation from Proto-Indo-European root *kelh₁- (“to call, summon”), referring to "the day which are called out"; compare calō.^[1]

kalendae f pl (genitive kalendārum); first declension

First-declension noun, plural only.

Early borrowings:

Celtic:
- → Breton: kal ⇒ calemay
- → Cornish: calan
- → Irish: callain
- → Welsh: calan
→ Ancient Greek: καλάνδαι (kalándai)
→ Byzantine Greek: κάλανδα (kálanda)
- → Arabic: الْقَلَنْدَس (al-qalandas)
- → Georgian: კალანდა (ḳalanda, “New Year”)
- → Mingrelian: კალანდა (ḳalanda, “New Year”)
  - → Svan: კალანდა (ḳalanda), კანდა (ḳanda)
- → Old Armenian: կաղանդ (kałand)
→ Old French: calendes
- French: calendes
→ Proto-Slavic: *kolęda (see there for further descendants)

Late borrowings:

^ De Vaan, Michiel (2008) “calendae”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 82