variante(s): arquitrau

n. m.

'architrave'

D: 1527 Saint‑Maximin ⊂ Thomas₅ 505 (‑qu‑, Thomas₅ «1528»); 1530 ⊂ Pans₅ (‑qu‑)

∅ FEW 13/2:138b [ᴛʀᴀʙѕ].