"limiting conditions," early 14c.; see term (n.). Hence expressions such as come to terms, make terms, on any terms, etc. Meaning "standing, footing, mutual relations," as in expression on good terms (with someone), is recorded from 1540s.
on good terms with her in-laws
he got his new car on excellent terms
terminator
terminer
terminology
terminus
termite
terms
tern
ternary
Terpsichore
terpsichorean
terr