B1noun
جِهَادٌ
jihād
struggle / striving (in God's cause)
Example
وَجَاهِدُوا فِي اللَّهِ حَقَّ جِهَادِهِ
wa-jāhidū fī Allāhi ḥaqqa jihādih
And strive for Allah with the striving due to Him (22:78)
Grammar
Masculine verbal noun (maṣdar) of جَاهَدَ (Form III). Related: جُهْدٌ (effort), مُجَاهِدٌ (one who strives), اجْتِهَادٌ (scholarly reasoning). The verb means 'to exert effort.'
Culture
Jihād primarily means 'inner spiritual struggle' against one's own shortcomings (the 'greater jihād'). The Prophet ﷺ called the struggle against the ego the greatest jihād.