The story
- Avestan · learned borrowing from𐬯𐬀𐬙𐬆𐬨“hundred”
- English todaysatem
Learned borrowing from Avestan 𐬯𐬀𐬙𐬆𐬨 (satəm, “hundred”). The canonical example of a word that changed Proto-Indo-European palatovelar */ḱ/ into sibilant /s/ by the 3rd millennium BCE, as opposed to Latin centum (“hundred”). Doublet of hundred and centum.
Etymology from Wiktionary, CC BY-SA 4.0.