Doula:

A support person, usually female, who may not have medical or midwifery training, who provides emotional and practical assistance to a pregnant mother or couple before, during or after childbirth.

In case anyone else is wondering…

Looks like it might be a form of inversion: https://en.wikipedia.org/wiki/Inversion_(meteorology)

It would be a cute detail, if one media player did that, but it being part of the general OS design language got me tired of it pretty quickly…

Redis is apparently open-source again, now under AGPL (and two other proprietary licenses). But yeah, can also recommend the fork that spawned when they went proprietary: https://en.wikipedia.org/wiki/Valkey