English
subdirectory
From sub- + directory.
A compound of sub- + directory
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Proto-Indo-European *h₃reǵ- ‘to straighten’
…
Latin regō ‘to rule, govern, direct’
Latin dīrigō ‘direct to a place, guide, steer’
Medieval Latin dīrēctōrium ‘guide’
Middle English directorie
English directory
Today it means
noun A directory located inside another directory.
Sources
Sources: Wiktionary, “subdirectory”. 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 / subdirectory