English
subtag
From sub- + tag.
Today it means
noun A tag that is secondary or subordinate to another tag.
Sources
Sources: Wiktionary, “subtag”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / subtag