the.com/obsequiousness

means An excessive, fawning eagerness to please or flatter someone, usually to gain favor, that crosses from politeness into servility.

from Traces back to Latin obsequium, meaning compliance or dutiful service, built from ob- ('toward') plus sequi ('to follow'). So the word's bones literally mean 'following after' — the same root that gives us 'sequel' and 'consequence.' It entered English in the 1500s already carrying a faint sneer, since from the start it described following someone not out of loyalty but out of calculated flattery.