The story
- Proto-Indo-European · derived from*ters-“dry”
- Proto-Celtic · derived from*tīros
- English todayTyrol
Maybe ultimately from Celtic *tir (“land”), from Proto-Celtic *tīros from Proto-Indo-European *ters- (“dry”), i.e. "dry land".
Words from the same roots
Proto-Indo-European*ters- all →
thirstterra albaterraqueous
Etymology from Wiktionary, CC BY-SA 4.0.