Where does “หลวงพ่อ” come from?

หลวงพ่อ (Thai) comes from Thai หลวง, from Proto-Tai ʰluəŋᴬ — big.

หลวงพ่อ (Thai): a term of address to or title for (1) a male priest of relatively the same age as one's father, (2) an image of the Buddha, or (3) an image of a male deity

Definitions

  1. a term of address to or title for (1) a male priest of relatively the same age as one's father, (2) an image of the Buddha, or (3) an image of a male deity

Ancestry of “หลวงพ่อ”, step by step

หลวงพ่อ traces back through two separate lines of ancestry.

via Thai หลวง

StepLanguageWordMeaning
1Thaiหลวงchief; leading; major; principal; great; large;...
2Proto-Taiʰluəŋᴬbig

via Thai พ่อ

StepLanguageWordMeaning
1Thaiพ่อfather; male head, lord, leader, or master; man...
2Proto-Taiboːᴮnot; father
Every word from Proto-Tai ʰluəŋᴬEvery word from Thai หลวง