In English:
Sutra in English : Nescience (= Avidyaa)
Swami Dayanand Saraswati Commentary : That which is opposite to ‘Knowledge’, is in the form of illusion, darkness, and ignorance, is called ‘Nescience'.
In Hindi:
महर्षि दयानन्द व्याख्या : जो विद्या से विपरीत है, भ्रम, अन्धकार और अज्ञानरूप है, इसको 'अविद्या' कहते हैं।