Possibly sosia + -in, from a dialectal verb sosia (“to mix, mash (food)”), in which case equivalent to sose + -ia + -in.
sosin (dialectal)
| Inflection of sosin (Kotus type 33/kytkin, no gradation) | ||||
|---|---|---|---|---|
| nominative | sosin | sosimet | ||
| genitive | sosimen | sosimien sosinten | ||
| partitive | sosinta | sosimia | ||
| illative | sosimeen | sosimiin | ||
| singular | plural | |||
| nominative | sosin | sosimet | ||
| accusative | nom. | sosin | sosimet | |
| gen. | sosimen | |||
| genitive | sosimen | sosimien sosinten | ||
| partitive | sosinta | sosimia | ||
| inessive | sosimessa | sosimissa | ||
| elative | sosimesta | sosimista | ||
| illative | sosimeen | sosimiin | ||
| adessive | sosimella | sosimilla | ||
| ablative | sosimelta | sosimilta | ||
| allative | sosimelle | sosimille | ||
| essive | sosimena | sosimina | ||
| translative | sosimeksi | sosimiksi | ||
| abessive | sosimetta | sosimitta | ||
| instructive | — | sosimin | ||
| comitative | See the possessive forms below. | |||
sosin
From Hakka 菜心 (chhoi-sîm, “choy sum”). Doublet of caisim.
sosin (first-person possessive sosinku, second-person possessive sosinmu, third-person possessive sosinnya)