√TEÑ root. “indicate, signify, show, represent, betoken, mark, to point at”
The first mention of this root was as ᴱ√TEŊE “know, understand” in the Qenya Lexicon of the 1910s where it had derivatives like ᴱQ. tenge- “know, understand, grasp” and ᴱQ. tengwe “knowledge, understanding” (QL/91). In The Etymologies of the 1930s, Tolkien instead gave {ᴹ√TEƷ >>} ᴹ√TEÑ “line, direction” with derivatives like ᴹQ. tie/N. tê “line, way” and ᴹQ. téra/N. tîr “straight, right” (Ety/TEƷ, TEÑ). However, in the original layer of composition for the Outline of Phonology (OP2) from the early 1950s, Tolkien gave √TEG for “line” and gave √TEÑ as the basis for Q. tenna “thought, notion, idea”, perhaps a restoration of its meaning from the 1910s (PE19/97).
In another entry in The Etymologies of the 1930s, Tolkien derived ᴹQ. tengwa from ᴹ✶tekmā = ᴹ√TEK “write” + the instrumental suffix ᴹ✶-mā (Ety/TEK). The foundation of this derivation is the sound change whereby voiceless stops were voiced before nasals in Ancient Quenya, thereafter nasalizing so that ᴹ✶tekmā > tegmā > teñmā > teñgwā (PE19/43). This sound change was still in effect when Tolkien wrote the initial draft of Outline of Phonology (OP2) in the early 1950s (PE19/85-66 note #79), but at some later point Tolkien revised this rule so that the nasal instead unvoiced, so that km > kʰm̌ > kƕ > kw (PE19/85), making the derivation of tengwa from the root √TEK invalid.
As pointed out by Christopher Gilson (ibid., note #79), earlier signs of this new phonetic rule can be seen Tolkien’s notes on Words, Phrases and Passages in the Lord of the Rings from the late 1950s, where he gave √TEÑ “show, sign, indicate” instead of √TEK “[written] sign” as the new root for Q. tengwa, now derived from ✶teñwā or ✶teñmā, though Tolkien briefly considered √TEWE as a possible root in drafts to these notes (PE17/44). From this point forward, Tolkien regularly mentioned √TEÑ with glosses like “indicate, signify” (WJ/394), “represent, betoken, indicate (by sign)” (VT39/15) and “indicate, mark, signify” (PE22/149). Finally, in green-ink revisions to OP2 from 1970, Tolkien added tengwa as another derivative of √TEÑ alongside Q. tenna “thought, notion, idea” as mentioned above (PE19/97 and note #139).
See the entries on √TEG “line” and √TEK “write” for parallel developments in similar roots.
References ✧ PE17/44, 187; PE19/97; PE22/149; VT39/4, 15; WJ/394
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ᴱ√TEŊE root. “know, understand”
Reference ✧ QL/91 ✧ “know, understand”
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