Where does “seixanta-u” come from?

seixanta-u (Catalan) comes from Catalan u, from Latin ūnus, from Old Latin oinos, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

seixanta-u (Catalan): sixty-one

Definitions

  1. sixty-one

Ancestry of “seixanta-u”, step by step

seixanta-u traces back through two separate lines of ancestry.

via Catalan u

StepLanguageWordMeaning
1CatalanuThe Latin letter U; one
2Latinūnusone, single
3Old Latinoinosone
4Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
5Proto-Indo-Europeanóynosone; single

via Catalan seixanta

StepLanguageWordMeaning
1Catalanseixantasixty
2Latinsexagintasixty; 60
3Proto-Indo-Europeansweḱsḱomt—
4Proto-Indo-Europeanswéḱs-dḱomtsix-ten
Every word from Proto-Indo-European óynos →Every word from Proto-Italic oinos →Every word from Old Latin oinos →