What is the meaning of -et?

Used to form diminutives, loosely construed.

Used to augment verbs, largely monosyllabic, to form verbs with a frequentative or imitative force.

Forms active verbs into mediopassive verbs. Indicating 3rd person singular, indicative, present: it is; (it) -s; (it) is -ing/-n/-ed/-t

forms diminutives or endearing variants of nouns

forms diminutives or endearing variants of adjectives

Forms past participles of some verbs, like -t.

Forms the definite singular of most neuter nouns.

Forms adjectives from nouns with the sense of "like [noun]"; -esque.

Forms adjectives from nouns with the sense of "having [noun], being equipped with [noun]".

alternative form of et

alternative form of te

Forms diminutive nouns from nouns; in some words, it has lost its original meaning.

Used to form a diminutive, masculine noun.

An inflectional suffix forming the definite singular of neuter nouns, corresponding to English “the”.

An inflectional suffix forming the simple past of many class-1 weak verbs, often as an alternative to -a.

An inflectional suffix forming the supine of the same weak verbs, used with an auxiliary to form the perfect tenses.

An inflectional suffix forming the basic past-participle form of the same weak verbs.

Forming the supine of many strong verbs, usually together with a change in the verbal stem.

Forming the indefinite neuter singular, and often an alternative masculine and feminine singular, of the past participles of many strong verbs.

Forming adjectives from nouns, denoting being full of, provided with, resembling, or characterized by what the base word denotes; a variant of -ete.

alternative form of -ete

suffix forming nouns from verbs, adjectives, and other nouns , originally as the action of verbs ending in -ettan (“-ise”) (compare English -ism)

Used to form a diminutive, masculine noun.

alternative form of -é (suffix used to form past participles of regular -er verbs)

to be

suffix indicating diminution or affection

Added to a verb (or extremely rarely to a noun) to form a verb with a meaning of letting, making somebody do something or having something done to someone or something.

Added to a verb to form a noun, expressing the result of the action or sometimes a more abstract relation (compare -ás/-és).

Unrounded front-vowel variant of -t. See details there.

combining form of -etik (passive-forming suffix) before all inflectional and derivational suffixes, except the dictionary form itself, the indefinite third-person singular present indicative

third-person singular present active subjunctive of -ō

Forms momentane verbs.

Used with plant or tree names to form names of orchards, woods, forests, or groves.

Used to form nouns derived from the action of some verbs.

Suffix forming the definite singular forms of neuter nouns, especially if they end with a consonant or stressed vowel.

Suffix forming the neuter forms of past participles of verbs belonging to the fourth declension (strong verbs). This may be analyzed as two morphemes: a combination of the suffix -en for past participle and -t for neuter, where the n of the first suffix disappears. Such an analysis is historically correct.

Used to indicate a consequential or concrete example.

verb suffix for the second-person singular conditional

Source: wiktionary.org