Three Pritanas make a Chamu, three Chamus an Anikini and ten times one Anikini is called by the learned as one Akshauhini.
चमूस्तु पृतनास्तिस्रस्तिस्रश्चम्वस्त्वनीकिनी। अनीकिनी दशगुणा प्राहुरक्षौहिणी बुधाः॥