Shakespeare uses 'property' as a verb in this sense in Twelfth Night, IV, ii, 99: "They have here propertied me."
[IV.17] Listen. The transitive use is older than the intransitive.
[IV.18] make head: raise an armed force. 'Head' has often the meaning of 'armed force' in Shakespeare. So in sixteenth century literature and old ballads. It usually connotes insurrection.
[IV.19] and our best means (meanes) stretch'd out F2F3F4 | our meanes stretch't F1 | our best means strecht Johnson.
[IV.20] The reading adopted is that of the later Folios. It makes a normal blank verse line. Cf. [II, i, 158-159].
[IV.21] The metaphor is from bear-baiting. Cf. Macbeth, V, vii, 1.
[IV.22] Scene II. Before ... Sardis Rowe | Ff omit.
[IV.23] Scene II. This scene is separated from the foregoing by about a year. The remaining events take place in the autumn, b.c. 42.
[IV.24] Enter Brutus ... meet them | Enter Brutus, Lucillius, and the Army. Titinius and Pindarus meet them Ff.
[IV.25] [Pindarus gives ...] | Ff omit.