Where does “เบญจเพศ” come from?

เบญจเพศ (Thai) comes from Thai เพศ, from Sanskrit वेष, from Proto-Indo-Aryan wáyṣas, from Proto-Indo-Iranian wáyšas, from Proto-Indo-European wéys-os, from Proto-Indo-European weys- — to raise, increase; to produce, procreate.

Ancestry of “เบญจเพศ”, step by step

เบญจเพศ traces back through two separate lines of ancestry.

via Thai เพศ

StepLanguageWordMeaning
1Thaiเพศgender; sex; gender; clothing; costume; dress
2Sanskritवेषdress, garment
3Proto-Indo-Aryanwáyṣas
4Proto-Indo-Iranianwáyšas
5Proto-Indo-Europeanwéys-os
6Proto-Indo-Europeanweys-to raise, increase; to produce, procreate

via Thai เบญจ

StepLanguageWordMeaning
1Thaiเบญจfifth; five; five; fivefold; five
Every word from Proto-Indo-European weys-Every word from Proto-Indo-European wéys-osEvery word from Proto-Indo-Iranian wáyšas