Etymology unclear. Originally a dialectism, revitalised by Estonian terminologist and lexicographer Johannes Voldemar Veski. Possibly from Proto-Finnic *-ma + Proto-Finnic *-o. Compare Finnish -mo.
-mu (genitive -mu, partitive -mut)
- Forms nouns indicating a place.
- valama (“to pour”) + -mu → valamu (“sink, basin”)
- vara (“asset”) + -mu → varamu (“collection of assets with a high value”)
- püha (“sacred, holy, saint”) + -mu → pühamu (“sanctuary”)
- era- (“private”) + -mu → eramu (“private house”)
From Malay -mu, from Proto-Malayo-Polynesian *mu, from Proto-Austronesian *mu.
-mu
- you (direct object of a verb)
Aku mencintaimu.- I love you.
- you (object of a preposition)
Aku membawa mawar ini kepadamu- I brought this rose to you
- you (indirect object of a verb)
Dia membawakanmu dua buku pelajaran.- He brought you two studybooks.
- your (belonging to you)
Aku menaruh bukumu di meja.- I put your book on the table.
-mu
- second person singular genitive enclitic
Kambera pronominal clitics
-mu
- second person singular subject enclitic
- second person singular possessive enclitic
Laboya pronominal clitics
From Proto-Malayo-Polynesian *mu, from Proto-Austronesian *mu.
-mu
- your.
- Aku telah memulangkan penselmu.
- I've returned your pencil.
- you. (object)
- Aku rela berada bersamamu.
- I'd rather be with you.
-mu
- (Marks comitative case of nouns), with, alongside, in the company of
- (Marks personal locative in pronouns, takes place of -tak which is only used for nouns), with, alongside, toward (someone)
-mu
- cislocative, translocative.
- apay (“to carry”) → apamuy (“to bring; to take”)
- tiyay (“to sit”) → tiyamuy (“to come sit; to go sit”)
From Proto-Oceanic *-mu, from Proto-Malayo-Polynesian *-mu, from Proto-Austronesian *-amu.
-mu
- A second-person plural possessive suffix.
- Terry Crowley et al, The Oceanic Languages (2013), page 365