8.20.2–3

(May 1098)  Hearing that a multiethnic Turkish army is approaching, the crusader leaders decide to give Antioch to Bohemond if he can take it, as long as emperor Alexius doesn't claim it. Bohemond and Firuz firm up the plans for betrayal.

8.20.2

dē exercitū hostium nostrōrum: "about the army of our enemies."

Pūblicānōrum: Paulicians, the dualist Christian heretics (see 1.4.4).

Agulānōrum: “Agulani," mentioned at 3.9.6. Their ethnicity is unknown, but at 9.21.1 they are said to be mounted warriors with plate armor.

Azimītārum: “Azymites.” Their identity is disputed. According to Hill they are Armenians, and their name in Greek means “eaters of unleavened bread” (in the service of Holy Communion/Mass), which was one of the points of contention between the Western and Eastern churches.

quoniam: in ML can be used like quotation marks; omit in translation.

ūnā libentī corde ultrō: "with one willing heart, of our own accord."

eō tenōre: “with this condition, on this understanding.”

et omnem conventiōnem nōbīs ... attendere voluerit: “and should wish to stand by his whole agreement with us.”

nōs eī eam iūre reddēmus: nos here is repeated, and is emphatic anyway. 

Sīn autem: “Otherwise” (ML).

8.20.3

amīcum suum: Firuz.

humillima: “most flattering.”

Quī satis gavīsus: Firuz. CL would be quī valdē gavīsus or quī multum gavīsus.

adiuvāre: CL would be adiūtūrum esse.

Nocte ... veniente proximā: The night of June 2, 1098.

pignus: “as a pledge,” i.e., as a hostage.

quasi ... vadat dissimulet = dissimulet quasi vadat terram Saracēnōrum depraedārī. The crusaders wanted to hide the real reason they were preparing for an attack.

per dextram montāneam: Firuz’s towers were on the SE corner of the city walls, and thus to the right of St. George’s Gate for the Franks who were camped south of it.

eaque recipiam: i.e., et ea (agmina) recipiam.