This is the noun used in many expressions with the word time in it.
Eg, in this unit we've introduced the phrases Amser codi = (lit:- Rising time) "Time to get up"
and Amser Gwely = Bed time
There are many useful phrases for looking after children:-
Amser Chwarae = Playtime
Amser Cawod = (lit Shower time) 'Time for a shower'
Amser Brecwast = Breakfast time
Also for expressions Faint o amser sy ar ôl? = How much time is left?
It's also a component of many words
eg:- Amserlen = Timetable