つ

Etymology 1
.

Etymology 2
→

From. According to one theory, shortened from.

Usage notes

 * . Attaches to the of a verb.
 * is mainly used with transitive verbs while is mainly used with intransitive verbs.
 * This word is morphologically an inflectional suffix. It is classified as in traditional Japanese grammar.

Etymology 3
→

From.

There were some variants found in the old documents, starting with alveolar consonants like, , , , etc.

Yamada (1913) proposed that it is cognate with 🇨🇬 (whence 🇨🇬). However, the phonology does not match, and there is a distinct vestigial medial -s- that appears in certain ancient Japanese terms, such as, ,.

Usage notes
A few terms in modern Japanese have been derived from the possessive marker tsu:

Etymology 4
From.

Counter

 * 1) suffixed to Japanese numerals hito-, futa-, mi-, ..., kokono-, used to count almost anything

Noun

 * 1)  harbor, port; ferry

Proper noun

 * 1)  a place name

Noun

 * 1)  saliva, spit

Etymology 7
Probably from kaomoji such as (´･ω･)つ旦, which represents serving tea.