Middle English (in the sense '(person) owing obedience'): from Old French suget, from Latin subjectus 'brought under', past participle of subicere, from sub- 'under' + jacere 'throw'. Senses relating to philosophy, logic, and grammar are derived ultimately from Aristotle's use of to hupokeimenon meaning 'material from which things are made' and 'subject of attributes and predicates'
In a statement clause, the subject: comes at or near the beginning of the clause comes before the verb agrees with the verb in number and person often denotes the doer of an action.It also often gives a clear idea of what the sentence is about. The subject can be: a noun:Yoga is religious. a verbal noun:Dancing is a wonderful way of keeping in training. an infinitive:To err is human. a pronoun:They argued ferociously about Ireland. a noun phrase:The core of the problem is simple. a noun clause:What he said was true.