SABILU ‘LLAH. سبيل الله
“The road of God.” A term used for religions warfare and other meritorious deeds; e.g. Qur’an, Surah ii.:-
Verse 149: “And say not, of those who are slain in the road of God that they are dead, but rather that they are living.”
Verse 263: “Those who expend their wealth in the road of God.” [JIHAD.]

Based on Hughes, Dictionary of Islam