constitutional (adj.)

1680s, "pertaining to a person's (physical or mental) constitution," from constitution + -al (1). Meaning "beneficial to bodily constitution" is from 1750. Meaning "authorized or allowed by the political constitution" is from 1765. Constitutional monarchy is recorded from 1801, from French. Related: Constitutionally.

constitutional (n.)

"a constitutional walk," 1829, probably originally among university students, from constitutional (adj.) in the "beneficial to bodily health" sense.

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