The story
- Proto-Indo-European*dʰewh₂-der.?
- Ancient Greekθέειον (théeion)
- Ancient Greekθεῖον (theîon)
- Englishthio-
- Quechuawan
- Spanishguano
- Englishguano
- Englishguanine
- English todaytioguanine
Etymology from Wiktionary, CC BY-SA 4.0.
tioguanine
Today it means: A crystalline compound C₅H₅N₅S which is a thio analog of guanine with cytotoxic properties as an antimetabolite, given orally in the treatment of leukemia. Full definition →
English guanine ← Spanish guano ← Quechua wan