144 Spanish Aymara ovexa [obesa] > iwisa (pre-1630) oveja [obexa ] > iwija (early post-1630) oveja " > uwija (contemporary ) The reason for the original borrowing's shift in initial vowel from the back mid /o/ (whose reflex in Aymara would be /u/) to the front /i/ is unknown; it may be that a vowel harmony rule was then in effect in Aymara (see 4-3.22.11). 6salinas has a morphophonemic rule whereby the /k/ of this suffix becomes /j/ in certain environments; see 4-3.22.23. 7 Wuancané has a morphophonemic rule whereby /-raki/ becomes /-raj/ before -chi NI (see 4-3.22.23). 8 see also 4-3.22.23 and 7-2.21.4. 2Although *a:.fna did not occur in the data, the existence of a:.xaru.wa.fia implies its existence, if only as an underlying form. The suffix -xaru- requires a pre- ceding consonant, but here the length is retained by a morphophonemic rule (see 4-3.22.15) whereby vowel length in verb roots is retained before consonant-requiring suf- fixes. Bertonio (1603b) cited several verb roots with long vowel, including ta:-, the semantic equivalent of La Paz aya.fa. 10. neakers using /-ja/ lp possessive have no homophony with the final suffix -xa in this instance (see the examples under 3-2.3), but dialects having /-xa/ 1p possessive do have homophony with final suffix -xa. Thus, in the latter the following is either ‘my cat' or 'the/a cat': p"isi.xa. Of course, the Ip suffix /-xa/ may be followed by the final suffix -xa giving p"isi.xa.xa ‘my cat’. UI correspondences of /:/, /j/; /n/, and /nh/ occur in 2+3 Future, and of /:/, /n/, and /nh/ in 2>1 Future (see Figure 6-3).