ērtība

Etymology
From.

Noun

 * 1) comfort, convenience quality or state of that which is comfortable, convenient
 * 2) comfort, convenience something which provides comfort or convenience, which is comfortable or convenient
 * 1) comfort, convenience something which provides comfort or convenience, which is comfortable or convenient
 * 1) comfort, convenience something which provides comfort or convenience, which is comfortable or convenient

Usage notes
The plural forms are more often used than the singular ones in all senses; the singular forms, however, do sometimes occur.