What the word actually means
Omotenashi describes a style of hospitality built around anticipating a guest's needs before they're voiced, offered wholeheartedly and without expecting a tip or any direct reward in return — a philosophy closely tied historically to the tea ceremony tradition, where a host prepares every detail of a gathering with the guest's comfort as the sole consideration.
Where it shows up day to day
It's visible in small, easy-to-miss ways across an ordinary Osaka day: a shopkeeper walking a customer to the door rather than pointing, a train conductor bowing to an empty platform before it fills, a ryokan attendant timing a meal course precisely to when a guest returns from the bath. See the ryokan etiquette guide for one of the clearest concentrated examples of the concept in practice.
Why it connects to the no-tipping norm
Omotenashi is part of why tipping isn't expected anywhere in Japan — the philosophy holds that genuine hospitality is offered as a matter of course, not performed in exchange for extra payment, which would undercut the whole idea.