Taso — “the language of what is not there”
435 words. Part of the Conlangs as Tools project, edition v1.2 (2026-09-27).
Brief drafted by Doruga (Pete’s mobile-companion agent), edited by Peter Kaminski, 2026-05-28.
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© Peter Kaminski · CC-BY 4.0 (Creative Commons Attribution 4.0 International)
Taso brief · Taso deep dive → · project home · all files (.zip)
Languages: Toki Pona · Taso · Kipona · Ren · Maku · Sito · Olu · Vesi · Korē · Drosa · Hesi
What it explores
Toki Pona names what is present. Its lexicon points at things, qualities, relations in the world. Taso inverts the lens: it names what is absent, missing, withheld, forgotten, not-yet, no-longer. The lesson it builds on: if vocabulary shapes attention, a vocabulary of presence trains a habit of presence — and a vocabulary of absence might train a habit of attending to negative space.
Profile
Taso has ~50 core roots, each one a kind of absence. English collapses these into a single word (“missing,” “gone”); Taso refuses to. The grammar runs in the reverse direction of most languages — you cannot easily assert presence directly; presence is the negation of an absence (“not-still-coming” → “here already”). Speakers report attending to chairs that are empty, meetings that didn’t happen, people who didn’t come, drafts that were not written.
The philosophical kin is figure/ground inversion in Gestalt, and the phenomenology of grief and waiting.
Examples
Core roots:
- aro — the just-departed (warmth of a chair, scent of someone gone)
- omu — the never-known (alien minds, deep ocean)
- kelo — the withheld (silence between friends, an unsent message)
- nera — the no-longer (a demolished building, a dead language)
- vihi — the still-coming (a letter on its way, a guest expected)
- uki — the just-missed (the train you didn’t catch)
- seru — the never-said (what wasn’t named at the meeting)
Sentences:
- aro tomo lon mi — “the just-departed-house is with me” → I just left home and I’m carrying its absence.
- seru pi sona suli — “the never-said of the big knowing” → the part of the expert’s mind that they couldn’t put into words.
- vihi a — “the still-coming!” (exclamation) → said upon waking, marking the day not yet lived.
Future action research
- Phenomenological interviews. Recruit speakers who have used Taso for six months. Do they report different attention patterns to environment? Use diary studies; compare with control group.
- Grief and waiting. Pair Taso with bereavement counseling. Does an explicit lexicon of absence help mourners articulate their experience? (Ethics review essential.)
- Negative-space design. Architects and product designers asked to evaluate spaces in Taso. Do they catch different things than peers evaluating in English?
- LLM negative prompting. Train or fine-tune an LLM on Taso. Hypothesis: it becomes better at “what’s missing from this draft” critique than models trained on positive description.
- Cross-linguistic comparison. Russian otsutstvuet, Japanese 不在 (fuzai), and Welsh hiraeth all carve absence differently. Map Taso’s 50 onto these systems — what does each natural language miss?