vernacular

In linguistics, the everyday language spoken by ordinary people (as opposed to formal or literary language); in architecture, buildings designed using local materials and traditions without formal architectural training — native, domestic, and functional rather than grand.

• vernacularly(adv)

• vernacular architecture
• vernacular language
• in the vernacular
• vernacular tradition
• vernacular design
• vernacular expression

1. 1.Vernacular architecture — Cotswold stone cottages, Japanese machiya townhouses, Moroccan kasbahs — reflects centuries of local adaptation to climate, materials, and culture. (local building tradition)
2. 2.Writing in the vernacular rather than Latin was once revolutionary — Dante's "Divine Comedy" (1320) helped establish Italian as a literary language by refusing to write in the scholars' tongue. (language choice)

• colloquial/kəˈloʊkwiəl/— informal everyday language
• indigenous/ɪnˈdɪdʒɪnəs/— native to a place
• folk/foʊk/— of ordinary people

from Latin "vernaculus" (domestic, native) — from "verna" (a home-born slave) — the language and building style of the home