English
thineself
From thine + -self.
Formed from thine + -self
Proto-Indo-European *téynos
Proto-Germanic *þīnaz ‘your, yours (thy, thine)’
Proto-West Germanic *þīn ‘your, yours (singular)’
Old English þīn
Middle English thyn
English thine
Today it means
pron Synonym of thyself.
Sources
Sources: Wiktionary, “thineself”. 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 / thineself