In Ancient Greek sequences *sr, *sl, *sm, *sn, *su̯, *si̯ containing the old Indo-European *-s-, the fricative transforms into /h/ that undergoes metathesis with the sonorant or a semivowel. For adjectives in *-i̯os derived from the *-s stems, Mycenaean texts attest spellings ke-ra-ja-pi (11 times in Knossos) and ke-ra-i-ja-pi (KN Sd <4450> + 4483.a) standing for /kerah-i̯a-p<sup>h</sup>i/ < *keras ‘horn'. Such spellings can be compared with those of the forms with the conglutinate suffix *-tr-i̯- in the names of female professions <me-re-ti-ra<sub>2</sub>> (PY Ab 789) and <me-re-ti-ri-ja> (PY Aa 62, Aa 764 etc.). These two spellings most probably reflect a single pronunciation /-tri̯a/. Indeed, <-ti-ri-ja> contains <-i->, necessary also for the graphic rendering of the three-consonant cluster /-tri̯-a/. Following Michael Meier-Brügger and considering the conventionality of spelling, we suggest interpreting the Allative form <po-to-a<sub>2</sub>-ja-de> (TH Av 104) as /ptōh-i̯a-de/ ‘to the Ptoan festival', con
