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Low class consonant · letter 23 of 44

ท tho thahan

ท (tho thahan) is a low-class consonant named after ทหาร, “soldier”. At the start of a syllable it is /tʰ/, written th in RTGS; at the end of one it is /t̚/ (t).

See it in 61 fontsAll 44 consonants
ทท ทหารtho thahan · soldier
Thai name
ท ทหาร · tho thahan
Name word
ทหาร, soldier
Class
Low class
At the start of a syllable
/tʰ/ · RTGS th
At the end of a syllable
/t̚/ · RTGS t
Unicode
U+0E17 · THAI CHARACTER THO THAHAN
In HTML
ท or ท
Kedmanee key
M
Pattachote key
S

How it sounds

The common low-class th. ถ is its high-class partner.

5 other letters have the same sound at the start of a syllable: ฐ tho than (high), ฑ tho montho (low), ฒ tho phuthao (low), ถ tho thung (high), ธ tho thong (low).

Easy to mistake for ฑ tho montho: compare them at a large size in the grid below.

Class and tone

With no mark, a low-class letter gives the mid tone in a live syllable; in a dead one the tone is high when the vowel is short and falling when it is long. Mai ek gives falling and mai tho high.

Syllables with ท and the vowel า
SpellingSyllableTone
No mark, live syllable (long vowel)ทาMid
No mark, dead syllable, short vowelทะHigh
No mark, dead syllable, long vowelทากFalling
Mai ekท่าFalling
Mai thoท้าHigh
Mai tri–not used with this class
Mai chattawa–not used with this class

The syllables show the rule, not words to learn. The tone rules explain live and dead syllables.

Words with ท

ThaiRTGSMeaning
ทำthamto do, to make
ทางthangway, route
ทะเลthalesea
ที่thiplace; at; that
บาทbatbaht

RTGS shows neither tone nor vowel length; type a word into the font tester to see it in every font.

ท in every font

The letter in each of the 61 families you can download here, in its regular style. Looped faces start the stroke from a small circle; loopless ones leave it out. Each card opens the family’s page.