FromProto-Austronesian*si andProto-Philippine*kayú, fromProto-Malayo-Polynesian*iu, fromProto-Austronesian*iSu. CompareIlocanosikayo.
ikayu
| absolute | ergative | oblique | |||
|---|---|---|---|---|---|
| disjunctive | enclitic | ||||
| first person | singular | aku/i aku/yaku | ku | kanaku | |
| plural inclusive | ikatamu | katamu/tamu | tamu/ta | kekatamu | |
| plural exclusive | ikami,ike | kami/ke | mi | kekami/keke | |
| second person | singular | ika | ka | mu | keka |
| plural | ikayu/iko | kayu/ko | yu | kekayu/keko | |
| third person | singular | iya/ya | ya | na | keya/kaya |
| plural | ila | la | da/ra | karela | |