handed down, passed down, inherited, legacy For a single object there's the word heirloom.
Not a phrase but a word. Unique.
Evolution
"four-letter word" is another phrase meaning "curse word, so the phrase might mean that boobies is not a scientific word for breasts, but it's not considered vulgar, either.
Break a leg is a phrase that means Good luck. Bite your tongue is a phrase that means Avoid talking.
lemma
Yes, as heritage refers to to something that is inherited from the past. If certain Christmas traditions were held by your family's ancestors in the past, then those traditions have been passed down to this generation from your ancestors.
Predisposition
The word 'ancestors' is a noun, a word for people.
Yes, the word 'ancestors' is a noun, the plural form for the noun ancestor, a word for one from whom an individual, group, or species is descended; something from which something else has developed; a word for a person or a thing.
Inherited means gained by succesion or by a will
A preposition is a word that shows the relationship between a noun or pronoun and other words in a sentence. Common prepositions include "in," "on," "at," and "for." They are used to indicate location, direction, time, and other relationships.
From the phrase a cow thing which means "something about cows"
It is written privilege not privalage. The word means something that someone is entitled to or something they have inherited and benefit from. It can be used to describe in saying it a privilege to watch something.
Naming something by using a word that is closely related.
Heritage refers to something inherited from the past. More info the wiki link provided below.
This is a phrase for something that you do not need at this time.
"Sale" is the correct word. The word "sell" (verb) means to sell something. The word "sale" (noun) means something is for sale.