After a word having k as its penultimate, the affix aṇ comes in the sense of modification or a part or both, as appropriate.,
This debars अञ्. Thus; तर्कु तार्क्कवम्, तित्तिडीक, तैत्तिडीकं; माण्डूकम्, दार्दुरूकम् माधूकम् ॥ The word तित्तिडीक &c have acute on the middle (Phit Su. II. 16).,