The story
- Proto-Indo-European*dóruredup.
- Proto-Indo-European*der-drew-om?
- Ancient Greekδένδρον (déndron)
- Englishdendr-
- Englishdendro-
- Ancient Greekχρόνος (khrónos)
- Englishchrono-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishchrono-
- Englishchronology
- Englishchronological
- Englishdendrochronological
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todaydendrochronologically
From dendrochronological + -ly.
Etymology from Wiktionary, CC BY-SA 4.0.