Where does “พฤษภาคม” come from?

พฤษภาคม (Thai) comes from Thai อาคม, from Pali āgama, from Pali a-, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

พฤษภาคม (Thai): May the fifth month of the year under the Gregorian calendar

Definitions

  1. May the fifth month of the year under the Gregorian calendar

Ancestry of “พฤษภาคม”, step by step

พฤษภาคม traces back through two separate lines of ancestry.

via Thai อาคม

StepLanguageWordMeaning
1Thaiอาคมmagic; spell; charm; coming
2Paliāgamacoming, arrival
3Palia-no; not; non; etc; not; lacking; without; etc
4Sanskritअ-un-, not; Used in the formation of imperfect,...
5Proto-Indo-Iraniana-un-, a-
6Proto-Indo-Europeann̥-not, un-
7Proto-Indo-Europeannenot

via Thai พฤษภ

StepLanguageWordMeaning
1Thaiพฤษภbovine: bull, cow, ox, etc
2Sanskritवृषभa bull; the chief, most excellent or eminent,...
3Proto-Indo-Iranian(w)r̥šabʰás
4Proto-Indo-Europeanwr̥sn̥-bʰó-s
5Proto-Indo-Europeanwérsēnvirile man; male animal
6Proto-Indo-Europeanh₂wers-to rain, drip; to rain, sprinkle
Every word from Proto-Indo-European neEvery word from Sanskrit अ-Every word from Proto-Indo-European n̥-