# tahu
## Czech
### Pronunciation

* IPA: [ˈtaɦu]

### Noun

tahu
* genitive/dative/vocative/locative singular of tah

## Estonian
### Noun

tahu
* genitive singular of tahk

## Hopi
### Etymology

From Proto-Uto-Aztecan *tap.

### Noun

tahu (plural tathu)
* tendon
* muscle
* (slang) Navajo

#### Derived terms

* tahulena
* tahuqpu

## Indonesian
### Etymology 1

Inherited from Malay tahu, from Proto-Malayic *tahu(ʔ), from Proto-Malayo-Polynesian *taqu, from Proto-Austronesian *Caqu.

#### Alternative forms

* tau (colloquial)

#### Pronunciation

* (Standard Indonesian)
** IPA: /ˈtahu/ [ˈt̪a.hu]
*** Rhymes: -ahu
*** Syllabification: ta‧hu
** IPA: /ˈtau̯/ [ˈt̪au̯]
*** Rhymes: -au̯
*** Syllabification: tahu
* Note: The /h/ is often silent (except in its derivations) to differentiate it with the word of the etymology 2.

#### Verb

tahu
* to know (to be justifiably certain or sure about)
    Aku belum tahu ujiannya kapan.I don't know when the exam is yet.
* to know (to have the knowledge of; to understand)
    Kakaknya tahu bahasa Jawa.His sister knows Javanese.
* to know (to be acquainted or familiar with)
    Synonym: kenal
    Kamu tahu Andi dari siapa?You know Andi from whom?

#### Adverb

tahu
* (colloquial, figurative, used in a negative phrase) once, yet
    Dia tidak tahu bolos.He never skips school.(literally, “He doesn't know (how to) skip school.”)

##### Usage notes

This verb is defective, since it doesn't have active and passive forms, except in its transitive derivations ketahui and (less commonly) tahui.

##### Derived terms

* berpengetahuan (“knowledgeable”)
* (rare) bertahu-tahu (“to pretend to know; to one's knowledge”)
* (rare) bertahuan (“to know each other”)
* (rare) ketahu (“to know”)
* ketahuan (“to get caught”)
* (transitive) ketahui (“to know”)
* pengetahuan (“knowledge”)
* sepengetahuan (“to one's knowledge”)
* setahu (“as far as one knows”)
* (usually of a secret) tahu-menahu (“to know”)
* tahu-tahu (“suddenly”)
* (transitive, rare) tahui (“to know”)

##### Compounds

* beri tahu (“to tell”)
* tahu adat (“to be polite”)
* (of appearance, behaviour, etc.) tahu diri (“to be self-aware”)

### Etymology 2

From Malay tauhu, from Hokkien 豆腐 (tāu-hū, “tofu, bean curd”), from Middle Chinese 豆 (dùw, “bean”) + 腐 (bjú, “rotten, fermented”). Doublet of tofu.

#### Pronunciation

* (Standard Indonesian) IPA: /ˈtahu/ [ˈt̪a.hu]
* Rhymes: -ahu
* Syllabification: ta‧hu

#### Noun

tahu (plural tahu)
* tofu
    Ibu sedang membuat tahu bacem.Mother is making braised tofu.

##### Usage notes

While tahu is a general word for the food, tofu is used to described tofu that has very soft texture.

##### Descendants

* → Ternate: tahu

### References

* Blust, Robert; Trussel, Stephen; et al. (2023) “*Caqu”, in the CLDF dataset from The Austronesian Comparative Dictionary (2010–), →DOI

### Further reading

* “tahu” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

## Malay
### Alternative forms

* tau (colloquial)

### Etymology

From Proto-Malayic *tahu(ʔ), from Proto-Malayo-Polynesian *taqu, from Proto-Austronesian *Caqu.
First attested in the Talang Tuo inscription, 684 AD, as Old Malay [script needed] (tāhu).

### Pronunciation

* IPA: /tahu/
* Audio (Malaysia):(file)
* Rhymes: -ahu

### Verb

tahu (Jawi spelling تاهو)
* to know (be certain or sure about something)
* to know (have knowledge of)
    Aku tidak tahu.
       I do not know.

#### Derived terms

Regular affixed derivations:
* diketahui [passive + causative (locative) benefactive + patient focus] (ke- + -i + di-)
* ketahuan [resemblance / passive] (ke-an)
Irregular affixed derivations, other derivations and compound words:
* ketahuilah
* mengetahui (“to find out”)
* pengetahuan (“knowledge”)
* tahu-menahu

#### Descendants

* Indonesian: tahu

### Further reading

* “tahu” in Pusat Rujukan Persuratan Melayu | Malay Literary Reference Centre, Kuala Lumpur: Dewan Bahasa dan Pustaka, 2017.

## Mori Bawah
### Verb

tahu
* (stative) to be over there, somewhere remote and at a higher elevation then the speaker and hearer

### References

* The Austronesian Languages of Asia and Madagascar (2013, →ISBN, page 695-6

## Ternate
### Etymology

From Indonesian tahu, from Hokkien 豆腐 (tāu-hū).

### Pronunciation

* IPA: [ˈta.hu]

### Noun

tahu
* tofu (a protein-rich food made from curdled soy milk)

### References

* Rika Hayami-Allen (2001) A descriptive study of the language of Ternate, the northern Moluccas, Indonesia, University of Pittsburgh