Natyashastra
अत्रार्याः । तत्र - क्रोधभयहर्षलजादुःखश्रमरोगतापघातेभ्यः । व्यायामक्लमधर्मैः स्वेदः सम्पीडनाच्चैव ॥ ९५॥
Perspiration (sveda) occurs as the result of anger, fear, joy, shame, sorrow, toil, sickness, heat, exercise, fatigue, summer and massage.
english translation
atrAryAH । tatra - krodhabhayaharSalajAduHkhazramarogatApaghAtebhyaH । vyAyAmaklamadharmaiH svedaH sampIDanAccaiva ॥ 95॥
hk transliteration by Sanscript