medianus

Latin edit

From medi- (the stem of medius) +‎ -anus.

mediānus (feminine mediāna, neuter mediānum); first/second-declension adjective

Case / Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Number	Singular			Plural
Nominative	mediānus	mediāna	mediānum	mediānī	mediānae	mediāna
Genitive	mediānī	mediānae	mediānī	mediānōrum	mediānārum	mediānōrum
Dative	mediānō	mediānae	mediānō	mediānīs
Accusative	mediānum	mediānam	mediānum	mediānōs	mediānās	mediāna
Ablative	mediānō	mediānā	mediānō	mediānīs
Vocative	mediāne	mediāna	mediānum	mediānī	mediānae	mediāna

Italo-Romance:
- Italian: mezzano, mezzana
  - → Catalan: messana
  - → Portuguese: mezana (obsolete?), mezena
  - → Spanish: mezana (obsolete), mesana
- Sicilian: mizzanu, minzanu
Padanian:
- Friulian: mezan
- Ladin: mesan
- Old Lombard: meçan
- Piedmontese: msan, mesan, miana
- Romansch: mezzaun, mezdan
- Venetian: mexan
Northern Gallo-Romance:
- Old French: meien, meiene
  - French: moyen, moyenne
  - → Middle English: meene
    - English: mean
Southern Gallo-Romance:
- Aragonese: meyano, michano (Ribagorçan), minchans (Belsetán, plural)
- Occitan: mejan
- Old Catalan: mijà
  - Catalan: mitjà
  - → Old French: migenne
    - Middle French: misaine
      - → English: mizzen
- → Spanish: mejana
Ibero-Romance:
- Asturian: mianu
- Old Galician-Portuguese: meão
  - Galician: meán, meao
  - Portuguese: meão, meã
- Old Spanish: miano (in toponyms)
Ancient borrowings:
- → Old Irish: medón
  - Irish: meán
  - Manx: mean
  - Scottish Gaelic: meadhan
  - →? Welsh: mewn
Learned borrowings:
- → Catalan: mediana
- → Galician: mediano
- → Italian: mediano
- → Middle French: median
  - French: médian
  - → English: median
- → Portuguese: mediano
- → Romanian: median
- → Spanish: mediano

Walther von Wartburg (1928–2002) “medianus”, in Französisches Etymologisches Wörterbuch (in German), volumes 6/1: Mabile–Mephitis, page 578