Where does “ไอ้สัสกูขรรม” come from?

ไอ้สัสกูขรรม (Thai) comes from Thai กู, from Proto-Tai kuːᴬ — I; me; singular first-person pronoun.

Ancestry of “ไอ้สัสกูขรรม”, step by step

ไอ้สัสกูขรรม traces back through two separate lines of ancestry.

via Thai กู

StepLanguageWordMeaning
1Thaiกูa first person pronoun: I
2Proto-TaikuːᴬI; me; singular first-person pronoun

via Thai ขรรม

StepLanguageWordMeaning
1ThaiขรรมAlternative form of ขำ
Every word from Proto-Tai kuːᴬEvery word from Thai กู