Where does “bis” come from?
bis (Fiji Hindi) comes from Awadhi बीस, from Ashokan Prakrit 𑀯𑀻𑀲𑀢𑀺, from Sanskrit विंशति, from Proto-Indo-Aryan HwiHśatí, from Proto-Indo-Iranian HwiHćati, from Proto-Indo-European h₁wih₁ḱm̥t, from Proto-Indo-European dwi(h₁)dḱm̥ti — two tens; two decades; twenty; two-ten.
bis (Fiji Hindi): twenty
Ancestry of “bis”, step by step