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"Semanas" is a form of "semana", a noun which is often translated as "week". "Meses" is a form of "mesar", a transitive verb which is often translated as "to tear". Learn more about the difference between "semanas" and "meses" below.
la semana(
seh
-
mah
-
nah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
a. week
No estoy libre para cenar hasta la semana que viene.I'm not free for dinner until next week.
mesar(
meh
-
sahr
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
mesarse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
a. to pull at one's hair
El paciente psiquiátrico tenía la manía de mesarse el cabello.The psychiatric patient pulled at his hair compulsively.
