The story
- Proto-Indo-European*teng-
- Proto-Germanic*þankijaną
- Proto-West Germanic*þankijan
- Old Englishþenċan
- Middle Englishthinken
- Englishthinkacronym
- Englishopinionacronym
- Proto-Indo-European*h₁ep-
- Proto-Indo-European*h₁éps
- Proto-Indo-European*h₁épi
- Proto-Indo-European*h₁pi
- Proto-Germanic*bi
- Proto-Germanic*bi-
- Proto-West Germanic*bi-
- Proto-Indo-European*lewbʰ-
- Proto-Germanic*laubō
- Proto-Germanic*laubijaną
- Proto-West Germanic*laubijan
- Proto-West Germanic*bilaubijan
- Old Englishbelīefan
- Middle Englishbileven
- Englishbelieveacronym
- English todaythob
Coined by American author and schoolteacher Henshaw Ward in 1926 in his book Thobbing: A Seat at the Circus of the Intellect, as an acronym of think, opinion and believe: "When a person thinks without curiosity, has an opinion because he likes it, believes what is handy—then he THOBs."
Etymology from Wiktionary, CC BY-SA 4.0.