Webster's Revised Unabridged Dictionary · 1913

Perspire

Perspire , intransitive verb

[Latin perspirare to breathe through; per + spirare. See Per-, and Spirit.]

1.
(Physiology) To excrete matter through the skin; esp., to excrete fluids through the pores of the skin; to sweat.
2.
To be evacuated or excreted, or to exude, through the pores of the skin; as, a fluid perspires.

Perspire , transitive verb

To emit or evacuate through the pores of the skin; to sweat; to excrete through pores.
Firs... perspire a fine balsam of turpentine. — Smollett